3 years ago

PPPLLLEEEAAASSSE HHHEEELLLPPP! 14 points! Brainlliest, hearts, and stars!

Mathematics

2 answers:

WITCHER [35]3 years ago

8 0

Answer:

216

Step-by-step explanation:

puteri [66]3 years ago

4 0

Answer:

216

Step-by-step explanation:

6x6x6=216

Here is your answer

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Mrs. Barlow's math class took a test yesterday. Out of 80 students, 70% of them passed. How many of Mrs. Barlow's students passe

likoan [24]

Answer:

B.56

Step-by-step explanation:

80x0.70 is 56

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3 years ago

Use the substitution method to solve each linear system. 4x - 3y = -13,-2x + y = 4

Contact [7]

Answer:

The solutions to the system of equations are:

$x=\frac{1}{2},\:y=5$

Step-by-step explanation:

Given the system of the equations

$\begin{bmatrix}4x-3y=-13\\ -2x+y=4\end{bmatrix}$

Isolate x for for 4x-3y=-13

$4x-3y=-13$

$4x=-13+3y$

Divide both sides by 4

$x=\frac{-13+3y}{4}$

substitute y=5

$x=\frac{-13+3\cdot \:5}{4}$

$x=\frac{1}{2}$

The solutions to the system of equations are:

$x=\frac{1}{2},\:y=5$

8 0

3 years ago

Point p is the midpoint of DE. DP =3x + 2 and DE = 10x - 12. What is the length of DP

shepuryov [24]

If P <span>is the midpoint of DE then
DE = 2(DP)
10x - 12 = 2(3x + 2)
10x - 12 = 6x + 4
10x - 6x = 4 + 12
4x = 16
x = 16/4
x = 4

DP = 3x + 2 = 3 * 4 + 2 = 12 + 2 = 14 units</span>

6 0

3 years ago

Read 2 more answers

Christy drove 135 miles in 2.5 hours what was her average speed in miles per hour

vlada-n [284]

Her avarage speed in miles per hour is 54
How i solved this was by 135/2.5 and i got 54
I hope this helps!

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3 years ago

Last year mrs Bowen's read 289 books. Mrs Jackson's class read 315 book. About how many books did both classes read?

vaieri [72.5K]

Answer:

604

Step-by-step explanation:

add them together using collum method

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3 years ago