All categories

3 years ago

Solve the equation. –3x + 6 = –9

Mathematics

2 answers:

abruzzese [7]3 years ago

4 0

Answer:

x=5

Step-by-step explanation:

natima [27]3 years ago

4 0

Subtract 6 from both sides

-3x = -9 - 6

Simplify -9 - 6 to -15

-3x = -15

Divide both sides by -3

x = -15/-3

Two negatives make a positive

x = 15/3

Simplify 15/3 to 5

You might be interested in

The length, in centimeters, of a diagonal of a rectangle is represented by the expression below.

TiliK225 [7]

Answer:

(C) 18 centimeters

4 0

2 years ago

Read 2 more answers

Daniel runs laps every day at the community track. He ran 45 minutes each day, 5 days each week, for 12 weeks. In that time, he

gizmo_the_mogwai [7]

1800 laps in 12 weeks

1800/12 = 150 laps in 1 week

150/5 = 30 laps a day

30 laps in 45 minutes

x laps in 60 minutes

x = (30*60)/45 = 40 laps per hour

5 0

3 years ago

1-4

Oksi-84 [34.3K]

Answer:

282 Hours after 6 weeks

Step-by-step explanation:

Multiply the 6 weeks and the 48 hour a week adverage and theres your answer!

3 0

3 years ago

1.Find the area of a circle with the radius of 48mm

OLga [1]

Answer:

hope it helps you see the attachment for further information....

3 0

3 years ago

Y = x^2+ 7x - 5 can be written in the form y = (x + a)^2+b

BARSIC [14]

Answer:

see explanation

Step-by-step explanation:

The equation of a parabola in vertex form is

y = (x - h)² + k (h, k) are the coordinates of the vertex

Given y = x² + 7x - 5

To express in vertex form use the method of completing the square

add/subtract ( half the coefficient of the x- term )²

y = x² + 2( $\frac{7}{2}$ )x + $\frac{49}{4}$ - $\frac{49}{4}$ - 5

y = (x + $\frac{7}{2}$ )² - $\frac{49}{4}$ - $\frac{20}{4}$

y = (x + $\frac{7}{2}$ )² - $\frac{69}{4}$

Hence

a = $\frac{7}{2}$ and b = - $\frac{69}{4}$

8 0

3 years ago