All categories

3 years ago

B) -3x - 10 = 5x + 6

Mathematics

2 answers:

arsen [322]3 years ago

7 0

Answer:

x = -2

Step-by-step explanation:

+10 both sides,

-5x both sides

divide by -8 both sides

16/-8 = -2

miskamm [114]3 years ago

6 0

Answer:

- 2

Step-by-step explanation:

5x + 3x = - 10 - 6

8x = -16

x = -2

You might be interested in

Could I please get some help on this?

steposvetlana [31]

34 inches have the same length of 0.0008636 kilometers.

8 0

2 years ago

Phyllis invested 51000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 7

Liono4ka [1.6K]

Answer:

Phyllis invested $11,000 at a simple interest rate of 7 percent per year and $40,000 at a simple interest rate of 4 percent per year.

Step-by-step explanation:

From the information provided, you can write the following equations:

x+y=51000 (1)

0.04x+0.07y=2370 (2), where

x is the portion earning a simple interest rate of 4 percent per year

y is the portion earning a simple interest rate of 7 percent per year

First, you can isolate x in (1):

x=51000-y (3)

Now, you can replace (3) in (2) and solve for y:

0.04(51000-y)+0.07y=2370

2040-0.04y+0.07y=2370

0.03y=330

y=330/0.03

y=11000

Then, you can replace the value of y in (3) to find the value of x:

x=51000-11000

x=40000

According to this, the answer is that Phyllis invested $11,000 at a simple interest rate of 7 percent per year and $40,000 at a simple interest rate of 4 percent per year.

3 0

3 years ago

A compact-disc case, or jewel case is 14 cm long, 12.5 cm wide, and 1 cm tall. What is the volume of the jewel case?

puteri [66]

V = 14 × 12.5 × 1 => V = 175 $cm^{3}$ is the volume of the jewel case.

4 0

3 years ago

What is the value of the expression below when z = 2?<br> 5z^2+3z+7

Marina CMI [18]

Answer: 33

5(2)² + 3(2) + 7

20 + 6 + 7

Hope this helps!

6 0

3 years ago

During the mayoral election,two debates were held between the candidates. The first debate lasted 1 2/3 hours.The second one was

butalik [34]

Answer:

2nd debate was 3 hours long.

Step-by-step explanation:

We have been given that during the mayoral election,two debates were held between the candidates. The first debate lasted 1 2/3 hours. The second one was 1 4/5 times as long as the first one.

Let us find the estimate of time spent on 2nd debate.

1 2/3 hours would be approximately 2 hours. 1 4/5 times would be equal to 2 times.

$2*2=4$