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2 years ago

Figure ABCD is a rectangle Find the value of x

Mathematics

1 answer:

romanna [79]2 years ago

6 0

Step-by-step explanation:

Since this is a rectangle these two equations for the length have to equal each other.

2x+4=7x-1

We now need to get all of the x's on one side and constant numbers on the other side.

add 1 to both sides and subtract 2x from both sides.

5=5x

divide 5 from both sides.

x=1

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6 0

1 year ago

3x + 2y = 9 x - 4y = 4

kherson [118]

Answer:

Enter a problem...

Algebra Examples

Popular Problems Algebra Solve by Substitution 3x-4y=9 , -3x+2y=9

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The solution to the system of equations can be represented as a point.

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The result can be shown in multiple forms.

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image of graph

7 0

3 years ago

there are some nickles dimes and quaters in a large pinnhy bank for every 2 nickles there 3 dimes for every 2 dimes there five q

atroni [7]

100 nickels 150 dimes 250 quarters

Step-by-step explanation:

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4 0

2 years ago

Aiden owns a food truck that sells tacos and burritos. He sells each taco for $4.75 and each burrito for $7. Yesterday Aiden mad

nevsk [136]

Number of tacos sold is 65 and number of burritos sold is 40

<h3><u>Solution:</u></h3>

Given that Aiden sells each taco for $4.75 and each burrito for $7

Let the number of tacos sold be "t" and number of burritos sold be "b"

Given that Aiden sold 25 more tacos than burritos

t = b + 25 ---- eqn 1

Also given that yesterday Aiden made a total of $588.75 in revenue

number of tacos sold x cost of each tacos + number of burritos sold x cost of each burritos = 588.75

$t \times 4.75 + b \times 7 = 588.75$

4.75t + 7b = 588.75 ----- eqn 2

Substitute eqn 1 in eqn 2

4.75(b + 25) + 7b = 588.75

4.75b + 118.75 + 7b = 588.75

11.75b = 470

b = 40

Substitute b = 40 in eqn 1

t = 40 + 25

t = 65

Thus the number of tacos sold is 65 and number of burritos sold is 40

5 0

3 years ago

Solve for x: −34x−1=115 .

krek1111 [17]

Answer:

x = - $\frac{64}{45}$

Step-by-step explanation:

- $\frac{3}{4}$ x - 1 = $\frac{1}{15}$

add 1 to both sides:

- $\frac{3}{4}$ x = $\frac{16}{15}$

multiply both sides by 4:

-3x = $\frac{64}{15}$

divide both sides by -3:

x = - $\frac{64}{45}$

7 0

2 years ago

Read 2 more answers