Mathematics College

Help!!! It doesn’t give the isosceles congruent angles??

Answers

Answer 1

Answer: y = 11 , x =3

Step-by-step explanation:

Since its an isosceles triangle , two angles or two side are equal.

So lets take 5y - 3 as one of the equal angles, so

5y-3+ 5y-3 + 76 = 180 (angles in a triangles should add up to 180)

10y - 6 + 76 = 180

10y = 180 - 70

10y =110

y = 110/10

y = 11

Now, since we found y we need to find x.

Lets us take 8x and 13x - 15 as the equal sides.

8x = 13x - 15

8x - 13x = -15

-5x = -15

x = -15 / -5

x = 3

so we found the values of x and y !

Answer 2

Answer:

x = 3y = 11

Step-by-step explanation:

You want the values of x and y, given an isosceles triangle with congruent sides JK=8x and KL=13x-15, angle K=76°, and angle J=(5y-3)°.

Congruent sides

JK = KL

8x = 13x -15

15 = 5x . . . . . . add 15-8x

3 = x . . . . . divide by 5

Sum of angles

The sum of the angles in the triangle is 180°.

2(∠J) +∠K = 180°

2(5y -3) +76 = 180 . . . . substitute known values, divide by °

10y +70 = 180 . . . . . . simplify

y +7 = 18 . . . . . . . . divide by 10

y = 11 . . . . . . . . . subtract 7

The values of x and y are 3 and 11, respectively.

Related Questions

Do think it is A, B, C, D?

Answers

Answer:

Step-by-step explanation:

the 80*10=800

8 in 183= 80

8 in 4879 = 800

Given vector v=<-2,-1>, find 5v.

Answers

Answer:

5v=(-10;-5)

Step-by-step explanation:

&3*$*'hskjekfjcjcnnnnsnd

Find the volume of the prism.
6 m
20 m
26 m
The volume of the prism is
m?

Answers

Step-by-step explanation:

To find the volume, you need to do length x width x height.

In this case, we are going to do 6 x 20 x 26.

You get 3,120 m^3.

Hope you found this helpful!

A plane traveling 480 miles in 1 hour travels how far in 15 minutes

Answers

Answer:

120 Miles

Step-by-step explanation:

Please help ASAP!!!!

Answers

Answer:

Students from the list of all students.

Step-by-step explanation:

The list includes ALL students attending the school, not just the ones from a particular group.

Which of the following could be the areas of the three squares below?

Answers

Answer:

A. 12 ft², 16 ft², and 20 ft²

Step-by-step explanation:

Emily and her twin sister Erica were each given $500 for their birthday. Emily deposits her money in an account that pays 4.75% interest compounded annually. Erica deposits her money in a 5% simple annual interest account. After 10 years how much more money will Emily have in her account?
A $22.41
B $45.26
C $250.00
D $295.26

Answers

Answer:

B $45.26

Step-by-step explanation:

After 10 years

Emily will have 500 * 1.045^10 = $795.26

Erica will have 500 + 10*0.05*500 = 500 * 1.5 = 750$

Emily will have $45.26 more.

Which is the function g(x) for a restricted domain?
O g(x) = 3x-4; 2-4
O g(x) = 3x + 4; x > 0
O g(x) = 3/x+4; x 24
O g(x) = 35-4;> 0

Answers

The answer choice which correctly describe s the function g (x) for a restricted domain as required to be determined in the task content is; g (x) = ³√(x + 4) , x ≥ -4.

Which function correctly represents the function g (x) for a restricted domain?

As evident in the task content, the function which correctly represents the function g (x) for a restricted domain is to be identified.

By observation of the function;

g (x) = ³√(x + 4) , x ≥ -4.

As evident in the task content; the lowest value of g(x) is; 0.

By checking; when x = -4; the corresponding value of g (x) is;

g (-4) = ³√(-4 + 4)

g (-4) = 0.

On this note, the required function is; g (x) = ³√(x + 4) , x ≥ -4.

Read more on functions and domain;

https://brainly.com/question/20253960

#SPJ1

Austin’s bus arrives at 7:55am if he starts his chores at 7:30 am will he be done in time to meet his bus explain your reasoning answer key

Answers

Answer:

it depends on his chores, how many he has, and how he does them

Step-by-step explanation:

Answer:

Yes

Step-by-step explanation:

I had the same question his chores only last for 15 minutes so yes he would be done in time

For the function f(x) = 4x2 - 3x - 7, find f(-2).

O 15

O -17

O 3

O -7

Answers

Answer:

Step-by-step explanation:

please the answer is 15

A company that produces white bread is concerned about the distribution of the amount of sodium in its bread. The company takes a simple random sample of 100 slices of bread and computes the sample mean to be 103 milligrams of sodium per slice. Construct a 99% confidence interval for the unknown mean sodium level assuming that the population standard deviation is 10 milligrams.

Answers

Answer:

The 99% confidence interval for the unknown mean sodium level is between 100.42 milligrams of sodium per slice and 105.58 milligrams of sodium per slice.

Step-by-step explanation:

We have that to find our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:

[tex]\alpha = \frac{1 - 0.99}{2} = 0.005[/tex]

Now, we have to find z in the Ztable as such z has a pvalue of [tex]1 - \alpha[/tex].

That is z with a pvalue of [tex]1 - 0.005 = 0.995[/tex], so Z = 2.58.

Now, find the margin of error M as such

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.

[tex]M = 2.58\frac{10}{\sqrt{10}} = 2.58[/tex]

The lower end of the interval is the sample mean subtracted by M. So it is 103 - 2.58 = 100.42 milligrams of sodium per slice.

The upper end of the interval is the sample mean added to M. So it is 103 + 2.58 = 105.58 milligrams of sodium per slice.

The 99% confidence interval for the unknown mean sodium level is between 100.42 milligrams of sodium per slice and 105.58 milligrams of sodium per slice.

A bacteria culture is started with 300 bacteria. After 4 hours, the population has grown to 500 bacteria. If the population grows exponentially. How long does it take for the culture to triple in size?

Answers

Answer:

12 hours

Step-by-step explanation:

the culture was first 300

the it grew to 500 in 4 hours

so that means it grew by 200 in 4 hours

and the triple it size is 900

you say;

if 200 =4 hours what about 600

=12 hours

help me pls plz please teachers math simple math lol ok smart wow cool points brainly tiktok

Answers

Answer:

5. 30km 6. sorry I forgot how to do these 1. 240m 2. 36cm 3. 64ft

Step-by-step explanation:

What is the answer for (a^2+12c)÷7b-1

Answers

what are we solving for the value of a b and c or like how do u want this solved ?

In ADEF, the measure of ZF=90°, the measure of ZD=69°, and FD = 64 feet. Find
the length of DE to the nearest tenth of a foot.

Answers

9514 1404 393

Answer:

178.6 ft

Step-by-step explanation:

The definitions of the trig functions tell you ...

Cos = Adjacent/Hypotenuse

cos(69°) = FD/DE

DE = FD/cos(69°) ≈ (64 ft)/0.3584

DE ≈ 178.6 ft

28÷x=168
What is the value of "x"

Answers

It is 1/6 or .16 I used Photomath

What would be the first step you would take in solving the equation 3 - 2x = 4(x + 15) ?

Answers

The first step would be x+15
I think

Answer:

Distribute the 4

Step-by-step explanation:

You should always distribute first then you should add the 2x. Then combine like terms. Then subtract 15 then divide by six. Then you get the answer x = -2.

I need help with this

Answers

B 25% of her students are in chemistry is false

B is false there is 35% in chemistry

Use the Trig Ratios to find the Missing Side Length

Answers

Answer:

[tex] \tan(55) = \frac{x}{8} \\ x = \tan(55) \times 8[/tex]

Two consecutive even Integers have a sum of 34. Find the Integars

Answers

Answer:

18 and 16

Step-by-step explanation:

16 and 18 are the even integers

please answer asap! no scam links or scam comments or reported.

Answers

Answer:

(-10,0)

Step-by-step explanation:

y = 3/2 x + 15

To find the x intercept let y =0 and solve for x

0 = 3/2x +15

Subtract 15 from each side

-15 = 3/2x -15+15

-15 = 3/2x

Multiply each side by 2/3

2/3 *-15 = 2/3 * 3/2x

-10 =x

The x intercept is

(-10,0)

Answer: (-10,0)

Step-by-step explanation:

Translate the phrase into an algebraic expression. The difference of c and 6

Answers

Answer:

c - 6

Step-by-step explanation:

differnce is subtraction

so subtract.

8ftx4ftx5ft what is the diameter

Answers

Answer:

nothing

Step-by-step explanation:

what is 3 1/3x1 1/7

Answers

Answer:

3 17/21

Step-by-step explanation:

30 POINTS!! PLEASE HELP

Mai created a scale model of a shoe store her company plans to build. The ratio of the model's dimensions to the dimensions of the actual shoe store to
be built is 1:20. If the volume of the model was 35 ft, what is the volume of the actual shoe store that Mai's company plans to build?

Answers

Answer:

it's 700 so last one

Step-by-step explanation:

since it's 1 to 20 you multiply 35×20 and you get 700

Who ever answers it gets Brainly

Which of the following equation represents a linear function

Answers

Answer: it is c

Step-by-step explanation:

the thee answer iis: C

7 1/2 divided by 3/4

Answers

Answer:

2 2/3

Step-by-step explanation:

Answer:

Step-by-step explanation:

First convert to mixed fractions 7 1/2-> 15/2

Then multiply by the reciprocal---> 15/2 x 4/3

The answer is 60/6

Then simplify---> 10/1 or 10

5/6 x 2 2/5 solve using distributive property to find the problem

Answers

Answer:

Step-by-step explanation:

Answer:

5/6 x 2 2/5 = 2

Step-by-step explanation:

https://www.fractioncalc.com/

This calculator link will help you with fraction equations

:))

Jimmy eats seven cookies every three minutes. How long does it take him to eat 28 cookies?

Answers

28 / 7 = 4

3 x 4 = 12

It’ll take him 12 minutes

Answer:

12min

Step-by-step explanation:

if7=3

28=?

28×3÷7=12

A backpack is on sale for $51.00. This is 75% of the original price. What was the original price?

Answers

Original price= $204.

100%-75%= 25% or 0.25.

51 = 0.25 * n (original price)

Divide 0.25 on both sides

51/0.25 = 204

N=204

That is indeed a very expensive backpack.

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