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2 years ago

7

MARKING AS BRAINLIEST PLUS MANY POINTS

2 answers:

yulyashka [42]2 years ago

7 0

This is easy
since there’s no examples on the sides that’s okay the one that has a 2 on is a good starter bc u see all of the sides and almost the same but the top and bottom aren’t so we know that the left and right are 2x let’s figure out what the top and bottom are
2x2x2x2=16
so it’s 16

marshall27 [118]2 years ago

5 0

Answer:

2x little 2on top

Step-by-step explanation:

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A farm produce an average of 17.1 liters of milk per day . About how many days will it take to produces 200 liters of milk

Dafna11 [192]

Amounttotal=amount per day times number of days
200=17.1 times d
divide both sides by 17.1
11.695=d
about 12 days

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3 years ago

9. If each of the following pairs represents a pair of equivalent rational

Oksi-84 [34.3K]

Answer:

-35/6

Step-by-step explanation:

We need to find the value of x , And the given pair of Rational numbers are equal.

<u>Question</u><u> </u><u>(</u><u>I)</u><u> </u><u>:</u><u>-</u><u> </u>

→ 3/4 = 7/x

→ 7/x = 3/4

→ 1/x = 3/4 × 1/7

→ 1/x = 3/28

→ x = 28/3

<u>Question</u><u> (</u><u>ii)</u><u> </u><u>:</u><u>-</u><u> </u>

→ x/7 = -5/6

→ x = -5/6 × 7

→ x = -35/6

<h3>• Hence the value of x is -35/6 .</h3>

7 0

2 years ago

What is the length of BC

elena55 [62]

Answer:

BC = 2

Step-by-step explanation:

We first need to use triangle BAD to find BD,

BD is the hypotenuse, so use pythagorean theorem...

(√23)² + (√13)² = (BD)²

23 + 13 = (BD)²

36 = (BD)²

6 = BD

Now BD is the hypotenuse of triangle BCD, so use pythagorean theorem agian to find BC

(4√2)² + (BC)² = 6²

32 + (BC)² = 36

(BC)² = 4

BC = 2

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2 years ago

Connor can travel 2 3/4 miles in 2 1/2 hours. What is his average speed in miles per hour?

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2 years ago

Jerry solved the system of equations. x minus 3 y = 1. 7 x + 2 y = 7. As the first step, he decided to solve for y in the second

Reika [66]

Answer:

A. The variable x in the first equation has a coefficient of one so there will be fewer steps to the solution.

Step-by-step explanation:

Given

$Equation\ 1: x - 3y = 1$

$Equation\ 2: 7x + 2y = 7$

Required

Efficient way of solving the equations

<em>The efficient way of solving this problem is by solving for x in the first equation because it has a coefficient of 1;</em>

The evidence is shown as follows;

<em>Make x the subject of formula in equation 1</em>

$x = 1 + 3y$

<em>Substitute 1 + 3y for x in equation 2</em>

$7x + 2y = 7$

$7(1 + 3y) + 2y = 7$

<em>Open bracket</em>

$7 + 21y + 2y = 7$

$7 + 23y =7$

<em>Make y the subject of formula</em>

$23y = 7 - 7$

$23y = 0$

<em>Divide both sides by 23</em>

$\frac{23y}{23} = \frac{0}{23}$

$y = 0$

Recall that x = 1 + 3y

<em>Substitute 0 for y in the above expression</em>

$x = 1 + 3(0)$

$x = 1 + 0$

$x = 1$

Solving for y in the second equation will take more steps

6 0

3 years ago