4x + 5 – 2x = 15. Solve for c

Mathematics

2 answers:

Vinil7 [7]3 years ago

7 0

Answer: x=5

Step-by-step explanation:

GenaCL600 [577]3 years ago

3 0

Answer:

4x + 5 - 2x = 15

2x + 5 = 15

-5 -5

2x = 15

divide 2 on each side

x = 7.5

Can I have Brainliest please?

You might be interested in

The gym teacher is setting up for a field

irinina [24]

$630

The total perimeter is 42 and 42x15=630

7 0

3 years ago

Ill mark btainlist pllssss helpp

Hatshy [7]

Answer:

1cm-----80000m

1cm-----8000000cm

1cm×3.275-----80km×3.275

3.275cm

3 0

3 years ago

The ribbon was 3 1/4 inches wide and had an area of 19 1/2 square inches. What is the length of the ribbon? Please Help Will Giv

miv72 [106K]

Hello!

The formula for finding area is l × w

If the area is 19 ½ inches and it was 3 ¼ inches wide, then the length will be 19 ½ ÷ 3 ¼ (Area ÷ Width)

$19 \frac{1}{2} \div 3 \frac{1}{4}$

Change both to improper fraction

$19 \frac{1}{2} = \frac{39}{2}$

$3 \frac{1}{4} = \frac{13}{4}$

$\frac{39}{2} \div \frac{13}{4}$

Keep 39/2
Change ÷ to ×
Flip 13/4 = 4/13

$\frac{39}{2} \times \frac{4}{13} = \frac{156}{26} = 6$

$\framebox {The length of the ribbon is 6 inches}$

5 0

3 years ago

Read 2 more answers

Find the inverse of the function y = 2x2 + 2

Anvisha [2.4K]

We have that
y = 2x² + 2

step 1

exchange the value of x for y and the value of y for x
y = 2x² + 2------> x=2y²+2

step 2
clear y variable
x=2y²+2----> 2y²=x-2----> y²=[(x-2)/2]-----> y=(+/-)√[(x-2)/2]

step 3
the inverse is
f(x)-1=(+/-)√[(x-2)/2]

8 0

3 years ago

Read 2 more answers

3. A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how many decibels would the l

sergeinik [125]

Answer: 3. The correct option is: A) 3.57 decibels.

6. The correct option is: B) $ln(\frac{x^2}{c^5})$ 