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Answer:

5

Step-by-step explanation:

Answer: 5

Step-by-step explanation: -7+12=5. So, 5 is the answer.

Answer: it has 7 solutions

Step-by-step explanation:

i hope this helps

Answer:

138 meters squared

Step-by-step explanation:

Area of the shape

[tex] = \frac{1}{2} \times (14 + 9) \times 12 \\ \\ = \frac{1}{2} \times 23 \times 12 \\ \\ = 23 \times 6 \\ \\ = 138 \: {m}^{2} [/tex]

We want to see which ordered pairs are a solution of the equation:

5x - 2y = 20

The ordered pairs are not given, so I will give a general answer, finding the general form of all the ordered pairs that are solutions.

We start with the equation:

5x - 2y = 20

First, we need to isolate one of the variables, let's isolate y.

2y = 5x - 20

y = (5/2)*x - 20/2

Then we get:

y = (5/2)*x - 10

From this, all the ordered pairs (x, y) that are solutions of this equation are given by:

(x, (5/2)*x - 10)

Then to get the points we just need to replace the "x" with numbers, for example for x = 0 we get the solution:

(0,  (5/2)*0 - 10) = (0, -10)

For x = 1 we get the solution:

(1, (5/2)*1 - 10) = (1, -15/2)

And so on.

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Step-by-step explanation:

let no. of hours be x.

45x - 12 ≥ 117

45x ≥ 129

x ≥ 2.8667 (5sf)

therefore, 3 hours (round up to next whole number).

Topic: inequalities

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Step-by-step explanation:

mean: (3 + 2 + 7 + 7 + 3 + 8 + 5 + 7 + 2 +8)/10 = 5.2

median: 2, 2, 3, 3, 5, 7, 7, 7, 8, 8 hence median is (5 + 7) / 2 = 6

mode: 7

Topic: mean median mode

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Answer:

Step-by-step explanation:

x= -0.23 or -7/30

Answer:

please I cannot see can you resend it

Answer:

B 5 F   it is the warmest

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

its the closest to the right

Answer:

A. 11+11+3. The two longer sides are 11 feet, and the one shorter side is 3 feet.

b.  yes it is because the isoscele tringle is 25 feet in perimeter.

the equallateral triangle is 24 feet in perimeter.

Answer:

420% of 85 = 357

Step-by-step explanation:

85/x=100/420

(85/x)*x=(100/420)*x       - we multiply both sides of the equation by x

85=0.23809523809524*x       - we divide both sides of the equation by (0.23809523809524) to get x

85/0.23809523809524=x

357=x

x=357

Answer:

19/24 is the answer

Answer:

I THINK IT IS C.

Step-by-step explanation:

the answer to your question is x=0

X=0

−32−8x=−7x+8(8x−4)

−8x−32=−7x+8(8x−4)

−8x−32=−7x+64x−32

−8x−32=57−32

−8−32+32=57−32+32

−8=57

Answer:

i need help with this too\

Step-by-step explanation:

Answer:

a+b=c

Step-by-step explanation:

add a and b and thats c

Answer:

3.50

Step-by-step explanation:

(13 - 6) divided by 2

7 divided by 2

$3.50

Answer:

3.50

Step-by-step explanation:

13 - 6 =7

If you have 7 dollars left and need 2 cards, u can plit the 7 dollars

7 ÷ 2 = 3.50

Answer:

she used a $20 bill, $10 bill, $5 bill, $1 bill, 25 cents 5 cents, and 2 pennies

Step-by-step explanation:

Answer:

(5,0)

Step-by-step explanation:

lol

Answer

(5,-1) is the c

Answer:

1176

Step-by-step explanation:

Answer:

[tex]\huge\boxed{\sf 2}[/tex]

Step-by-step explanation:

Since these triangles are similar, we'll use proportion to find the unknown side.

[tex]\sf \frac{25}{10} = \frac{5}{?}[/tex]

Cross Multiply

[tex]\sf ? * 25 = 10*5[/tex]

Divide 25 to both sides

[tex]\sf ? = 50/25\\\\? = 2[/tex]

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

Answer:

SAS postulate

Step-by-step explanation:

The triangles have two congruent sides and one congruent angle. The congruent angle is the included angle. This meets SAS criteria.

Hope this helps :-)

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Image from aplustopper

Answer: $595

is the correct answer

Answer:

a=32.5

Step-by-step explanation:

6.50×5

you and your four friends . that equals to five people so five multiply by 6.50

Answer:

Option A: 0.07c = 1.26 is the correct answer

Step-by-step explanation:

Given that the price of shirt is denoted by c.

Given that the sales tax is 0.07 times of the cost of shirt.

Mathematically it can be written as:

[tex]Sales\ tax=0.07c[/tex]

Now it is also given in the statement that the sales tax is $1.26

Putting this value in the above equation

[tex]1.26 = 0.07c[/tex]

As we have to find the cost, dividing both sides by 0.07

[tex]\frac{1.26}{0.07} = \frac{0.07x}{0.07}\\c = \frac{1.26}{0.07}[/tex]

Hence, we saw that the intermediate equation was: 1.26 = 0.07c

So,

Option A: 0.07c = 1.26 is the correct answer

Answer: A. 0.07 · c = 1.26

Step-by-step explanation:

Sales tax (0.07) x cost (c) = price (1.26)

Answer:

All possible values of ∠Y are 76.6° and 103.4°

Step-by-step explanation:

In Δ WXY

∵ x is the opposite side of ∠X

∵ y is the opposite side of ∠Y

→ By using the sine rule

∴ [tex]\frac{x}{sin(X)}[/tex] = [tex]\frac{y}{sin(Y)}[/tex]

∵ x = 85 and y = 88

∴ m∠X = 70°

→ Substitute them in the rule above

∴ [tex]\frac{85}{sin(70)}[/tex] = [tex]\frac{88}{sin(Y)}[/tex]

→ By using the cross multiplication

∴ 85 × sin(Y) = 88 × sin(70)

→ Divide both sides by 85

∴ sin(Y) = 0.9728582427

∴ m∠Y = [tex]sin^{-1}[/tex](0.9728582427)

∴ m∠Y = 76.62037845

→ Round it to the nearest tenth

∴ m∠Y = 76.6°

→ The other value of ∠Y is the obtuse angle supplement of ∠Y

∴ m∠Y = 180 - 76.6

∴ m∠Y = 103.4°

∴ All possible values of ∠Y are 76.6° and 103.4°

Answer:

No Possible triangles

Step-by-step explanation:

Answer:

B. The quadrilaterals are all the same size and shape.

Step-by-step explanation:

Lauren was drawing a tower ONLY using SIMILAR quadrilaterals, so since that is, since the quadrilaterals are similar, then they must have the same size and shape.

The statement i.e. true for quadrilaterals should be

B. The quadrilaterals are all the same size and shape.

A quadrilateral refer to the closed shape also it is the type of polygon that comprises of four sides, four vertices, and the four angles. Here the sum of the interior angle should be equivalent to the 360 degrees.

Therefore, we can conclude that the second option is correct.

hence, the rest of the options are wrong.

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