4 years ago

Find X Please help I’m not exactly sure how to do it

Mathematics

1 answer:

Step2247 [10]4 years ago

8 0

9x+1 = 2x+15

Subtract 1 from both sides.

9x=2x+14

Subtract 2x from both sides.

7x=+14

Divide 7 on both sides.

x=2

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Need help pleasee and thanks

Evgesh-ka [11]

Answer:

105

Step-by-step explanation:

7*15=105 length times width

6 0

3 years ago

I don't know how to find the answer for (3 + 6b + 3b^2). I'm still confused even after my teacher explained it. Could someone br

yarga [219]

Answer:

steps below

Step-by-step explanation:

3 + 6b + 3b² = 3 (b² + 2b + 1) = 3 (b + 1)²

root: -1 if 3 + 6b + 3b² = 0 b = -1

8 0

3 years ago

Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are added toge

podryga [215]

Answer:

18 times the first equation and 8 times the second equation

Step-by-step explanation:

we have

$\frac{1}{4}x-\frac{1}{6}y=5$ ------> first equation

$\frac{4}{5}x+\frac{3}{8}y=10$ ------> second equation

step 1

Multiply the second equation by 8 both sides to remove the fraction in the variable y

$8(\frac{4}{5}x+\frac{3}{8}y)=10(8)$

$\frac{32}{5}x+3y=80$

step 2

Multiply the first equation by 18 both sides to obtain the coefficient -3 in the variable y

$18(\frac{1}{4}x-\frac{1}{6}y)=5(18)$

$\frac{18}{4}x-3y=90$

step 3

Adds the new equation 1 and equation 2

$\frac{18}{4}x-3y=90\\\\ \frac{32}{5}x+3y=80\\ -------$

The y-term is eliminated

therefore

The answer is

18 times the first equation and 8 times the second equation

3 0

4 years ago

The sale price of an item is $15 after a 70% discount is applied. What is the original price of the item?

sukhopar [10]

21.428571428571428571428571428571

5 0

3 years ago

Read 2 more answers

It's really hard for me to understand what they are asking.

Gekata [30.6K]

Answer:

B is the correct answer

Step-by-step explanation:

Angles 1, 2, and 3 added together should make 180 degrees.

So, if angle 2 is 70 degrees, you subtract 70 from 180 (180-70=110) and you're left with 110 degrees.

Angle 1 and 3 add together should make 110 degrees which makes B the only true statement.

3 0

3 years ago