find the value of given expression

[tex] \sqrt{56 - 7} [/tex]

Answers

Answer 1

Answer:

± 7

Step-by-step explanation:

Given

[tex]\sqrt{56-7}[/tex]

= [tex]\sqrt{49}[/tex]

= + 7 or - 7 , that is ± 7

Answer 2

Answer:

±7

Step-by-step explanation:

56 - 57

______

gives you 49

which then turns into ±7

⇒⇒⇒Hope this helps!


Related Questions



A package of twelve cans of black beans cost $6.84. What is the cost of 5 can of black
beans?
$8.77
$0.57
$2.85
$16.42

Answers

Answer:

$2.85

Step-by-step explanation:

Answer:

0.57

Step-by-step explanation:

no prob

(-2) elevado a -4 respuesta porfavor

Answers

Answer:

16

Step-by-step explanation:

-2 to the 4th power is expressed as;

= (-2)^-4

= -2 × -2 × -2 × -2

= (-2×-2)×(-2×-2)

= 4×4

= 16

Hence -2 to the 4th power is equal to 16

X+3y=17 -2x+3y=-7 how do you solve it

Answers

Answer:

X+3y=17  is  x=−3y+17

-2x+3y=-7  is  x= 3 /2 y+ 7 /2

Step-by-step explanation:

Find the perimeter of a triangle with sides that measure 2.7km,3.3km,4.3km

Answers

Answer:

10.3 km

Step-by-step explanation:

Perimeter = side1 + side2 + side3

side1  = 2.7 km

side2 = 3.3 km

side3 = 4.3 km

Perimeter = 2.7 + 3.3 + 4.3

Perimeter = 10.3 km

Its 10.3k i hope u got it

The shape of a patio is triangle without hight of 8 ft and base of 17 ft what is the cost of out door carpeting to cover the patio of the carpeting costs 6.50 per ft

Answers

Answer:

$442

Step-by-step explanation:

Given :

Height of patio, h = 8ft

Base of patio = 17 ft

Cost of carpeting = $6.50 per ft²

Area of triangular patio :

Area = 1/2 * base * height

Area = 0.5 * 17 * 8

Area of patio = 4 * 17

Area of patio = 68 ft²

Cost of carpeting :

Area of patio * contains st per ft²

68 * 6.50

= $442

the length of a rectangle is 2 inches less than 3 times it width . The perimeter of the rectangle is 124 inch. WHat is the length of the rectangle

Answers

Step-by-step explanation:

let w = width

length = 3w-2

perimeter = 2*length + 2*width

perimeter = 2(3w-2) + 2w

perimeter = 6w - 4 + 2w

perimeter = 8w - 4

perimeter = 124 inch

8w - 4 = 124inch

+4 to each side

8w = 128inch

divide each side by 8

w = 16

length = 3w-2

           = 3(16) - 2

length = 46 inch

Patti starts out on day 1 with $0.01 and doubles her money each day to create a sequence of $0.01, $0.02, $0.04, $0.08 and so on. How much money should she have on day 12 ?
A. $9.60
B. $10.24
C. $20.48
D. $40.96

Answers

Answer:

D.40.96

Step-by-step explanation:

1-.01×2=.02

2-.02×2=.04

3-.04×2=.08

4-.08×2=.16

5-.16×2=.32

6-.32×2=.64

7-.64×2=1.28

8-1.28×2=2.56

9-2.56×2=5.12

10-5.12×2=10.24

11-10.24×2=20.48

12-20.48×2=40.96

What is the surface area of the shape in the diagram?
7 cm
6 cm
12 cm
4 cm

Answers

You need photos of the assignments/ question

Please, please, please help?
Simplify: 12(x^-4)^2 / 4(x^-2)^-3

Answers

Answer:

3/x^14

Step-by-step explanation:

Answer:

3x⁻¹⁴ or 3/x¹⁴

Step-by-step explanation:

12(x⁻⁴)² / 4(x⁻²)⁻³ =12/4 × x⁻⁸/x⁶ =3x⁻⁸⁻⁶ =3x⁻¹⁴ or 3/x¹⁴

how do you write 7 a mixed number in the simplest form

Answers

What does this even mean?

Please help!!!! Will Brainlist 30 points!!!

Answers

Answer:

135 degrees

Step-by-step explanation:

Answer:

It's C) 135

Step-by-step explanation:

You do 180-45 to get your answer. With questions like these or ones ab triangles the whole would be 180 and you add or subtract to get your answers

here is my 1,228 attempt asking this question
If a line containing these points is plotted on a coordinate plane what should the graph look like (0,2) (1,2) (3,2)

Answers

Answer:

Option 1

Step-by-step explanation:

In these points, value of y-coordinate is same.So, the line will be parallel to x-axis

Find the radius of Circle G Below. Round your answer to the nearest hundredth.

Answers

Answer:.

Step-by-step explanation

first thing is you are going to have to add

joe then nuts, then boom. You have your answer

A Camera has a list price $560.99 before tax if the sales tax rate is 7.75% find the total cost of the camera wit sale tax included round your answer to the cent

Answers

Answer:

$604.47

Step-by-step explanation:

Given data

Cost of camera= $560.99

Tax= 7.75%

Let us find the amount of the tax

=7.75/100* 560.99

=0.0775*560.99

=$43.48

Hence the amount of the tax is $43.48

Therefore the total cost is

=43.48+560.99

=$604.47

Plan A $17 plus 0.10 for each min of calls. Plan B &13 plus an additional 0.15 for each min. What amount do the two plans cost the same?

Answers

Answer:

80 minutes ; $25

Step-by-step explanation:

Let x = number of minutes

Plan A :

17 + 0.1x - - - (1)

PLAN B :

13 + 0.15x - - - (2)

Both plans will cost the same when ;

17 + 0.1x = 13 + 0.15x

Solve for X

0.1x - 0.15x = 13 - 17

-0.05x = - 4

divide both sides by - 0.05

-0.05x / - 0.05 = - 4 / - 0.05

x = 80 minutes

Amount :

17 + 0.1(80) = 17 + 8 = $25

Jimmy bought 200 milliliter a of orange juice and drank 125 milliliters of it . How much juice is left?

Answers

Answer:

75 milliliters of juice is left

Step-by-step explanation:

75ml of juice will be left

I WILL GIVE 20 POINTS FOR CORRECT ANSWER!​

Answers

Answer:

I believe that the answer is A (3,-2)

What is the value of x?

x = 25

x = 180

x = 135

x = 20

Answers

Answer:

x=20

Step-by-step explanation:

Since all the angles in any give triangle adds up to 180, we can make an equation from this geometry question. x+5+7x-5+x=180 (Adding all the angles). If you simplify this, it becomes 9x=180, or x=20.


Abby is ready to go deliver boxes of cupcakes across town and needs to fill up her truck. The
dimensions of her cupcake boxes are 6 cm by 8 cm by 10cm. The dimensions of her truck are
19 cm by 16cm by 12 cm. How many boxes can Abigail fit in her truck?

Answers

Answer:

4,128

Step-by-step explanation:

not sure po. pls no hate, i just wanna help

simplify and leave answer in decimal form (3,6×10 to the power 6)-(5,2×10 to the power 5 show steps of calculations​

Answers

Answer:

3.08×10 to the power of 4

Step-by-step explanation:

3.6×10the power of 6 =3,600,000

and 5.2× 10 to the power of 5 = 520,000

then the next step is to substract

3,600,000-520,000=308,000

then when we change it to decimal place we will get=3.08×10 to the power of 5

Troy baked 32 cookies with 4 scoops of four. How many scoops of four does Troyes
order to bake 40 cookies? Assume the relationship is directly proportional

Answers

Answer:

it is going to be 10

Step-by-step explanation:

10•4=40

Bonnie's doctor recommended that she drink 2cups of milk per day. If she buys 3 quarts of milk,will it be enough milk to last 1 week?

Answers

Answer:

She does not have enough milk to last for 1 week

Step-by-step explanation:

From the question, we are told that:

Bonnie's doctor recommended that she drink 2cups of milk per day.

Step 1

The number of days in a week is 7 days

Hence

1 day = 2 cups of milk

7 days = x

Cross Multiply

x = 7 × 2 cups of milk

= 14 cups of milk.

Step 2

If she buys 3 quarts of milk,will it be enough milk to last 1 week?

We have the conversion rate as:

1 quart = 4 cups

Therefore,

1 quart = 4 cups

3 quarts = x cups

Cross Multiply

x cups = 3 quarts × 4 cups/1 quart

x cups = 12 cups of milk

This means she bought 12 cups of milk.

Therefore, from the above calculation, she does not have enough milk to last for 1 week because due to her doctor's recommendation, she need 14 cups of milk for the week but she only bought 12 cups of milk

Answer:

70

Step-by-step explanation:

68+2

last year genesis earned 72,832 and david earned 68,852.How much more did genesis earn than david PLEASE HELP I AM DOING A TEST

Answers

Answer: $3,980

Step-by-step explanation:

As the question is asking for the amount that Genesis earned over the amount earned by David, to find the answer, subtract David's earnings from that of David.

= Genesis's earnings - David's earnings

= 72,832 - 68,852

= $3,980

Please help!!!! I need it

Answers

Answer:

Look to explanation for help with answer :)

Step-by-step explanation:

Each year 50 new bulbs are added, so the gardener can expect that many added plants each year. So add 50 6 times and that will get to how many new bulbs will be added by 10 years time. More and more plants will be added each year and depending on which method the gardener chooses to use it will affect the buying amounts for each year as well as how many are bought.

I hope this helps! Good luck!

Simplify.
(3-2i)(-5)

Answers

Answer:

2i-15

......................

The regular price of a brand new pair of shoes is $72. When using a coupon the price went down to $54. What was the percent off on the coupon used?

Answers

it was 18% off coupon

*WILL GIVE BRAINLY PLS HELP."

write the equation of the linear relationship in slope-intercept form, using decimals as needed.​

Answers

Answer:

y = 0.55x + 1.5

Step-by-step explanation:

Slope is 0.55 and y-intercept is 1.5

Write two congruence statements for the congruent triangles. i will give out brainly

Answers

Answer:

If two sides in one triangle are congruent to two sides of a second triangle, and also if the included angles are congruent, then the triangles are congruent. ... If in triangles ABC and DEF, AB = DE, AC = DF, and angle A = angle D, then triangle ABC is congruent to triangle DEF.

PLEASE I NEED HELP!!!
If technology improves, what would happen to the PPC?

Answers

Answer:

For the economy as a whole, an improvement in technology shifts the production possibilities frontier outward. Production Possibility Frontier (PPF): An increase in technology that allows for greater output based upon the same inputs can be described as an outward shift of the PPF, as demonstrated in this figure.

Help me with this please

Answers

Answer:

Step-by-step explanation:

I had to look this one up  :) it seems too simple

10*6 = 5*x

60 = 5 x

60 /5 = x

12 = x

X = 12  

:)

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