2 years ago

WILL MARK BRAINLIEST

Mathematics

2 answers:

Ivanshal [37]2 years ago

8 0

Answer:

Step-by-step explanation:

First you need to find x.

It is shown that DE=EF, so we can use this.

5x-3=3x+7

5x=3x+10

2x=10

x=5

Then, you plug in the value of the variable and solve.

6(5)-3

30-3

27 = DF

zubka84 [21]2 years ago

4 0

Answer:

The answer is 27

You might be interested in

2. help now!!!!!!!! A certain TV costs $599.99 at Best Buy. On black Friday, it is on sale for 40% off. What is the price of the

Arturiano [62]

Answer:

$360. (I believe so, anyways.)

Step-by-step explanation:

Original Price x Discount % / 100

Discount = 600 × 40/100

24000/100

$600 - $240

Final Price = $360

8 0

2 years ago

The archway to the entrance of an art gallery can be model by y= -1/3(x-5)(x+5) where x and y are measured in feet. The x-axis r

NikAS [45]

Answer:

x=5 feet

Step-by-step explanation:

At floor level y=0

If the expression is:

$0=1/3(x-5)(x+5)\\0=1/3(x^2-25)\\0=1/3x^2-25/3\\25/3=1/3x^2\\25=x^2\\x=5$

But, with the negative sign, the answer is x= 5i (where i is imaginary)

3 0

2 years ago

Can someone help me plz??

Irina-Kira [14]

It's hard to read your picture

But if your equation is
(-3)^2 + (-2)^3

then its:

-3*-3 + -2*-2*-2 = -9 - 8 = -17

8 0

3 years ago

Read 2 more answers

If the price of an item is $60 and there is a sales tax of 4.25%. what is the amount of tax you would have to pay?

anzhelika [568]

Answer: the total is 62.55 so you would be paying $2.55 in tax

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

The table represents the function f(x).<br> What is f(3)?

Minchanka [31]

Answer:

f(3) = 9

Step-by-step explanation:

In the given figure,

when x=3,

f(x)=9

substituting x=3 in f(x),

=> f(3)=9

5 0

2 years ago