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Mashutka [201]
3 years ago
11

Pls help pls I need good grades in math

Mathematics
2 answers:
Alisiya [41]3 years ago
8 0
0,0 is your answer hope it helps
qwelly [4]3 years ago
3 0

Answer:

0,0 is ur answer

pls mark me brainllest

Step-by-step explanation:

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Find the value of 3a when a= 6.​
tino4ka555 [31]

Answer:

18

Step-by-step explanation:

a = 6

3a = 6 x 3 = 18

When you see alphabets with numbers at the back like 2, 4 or etc, just multiply them.

3 0
3 years ago
Y=6x+20 substitution​
Oksana_A [137]

Answer:

-10/3 or -3.33

Step-by-step explanation:

substitute 0 for y

0 = 6x + 20  

-20 = 6x + 20 - 20               subtract 20 on both sides  

-20 = 6x                               divide by 6 on each side

-20/6 = 6x/6

x = -20/6                             simplify

x =   -10/3

8 0
4 years ago
What is the solution set of the quadratic equation ....
olga55 [171]

Answer:

A

Step-by-step explanation:

Hopefully this helps!

5 0
3 years ago
A hexagonal prism has a base with an area of 15 square inches and the volume is 105 cubic inches.
Lina20 [59]

Answer:

The height is 7 inches

Step-by-step explanation:

Given

Base\ Area = 15in^2

Volume = 105in^3

Required

Determine the height [missing from the question]

The volume of a hexagonal prism is:

Volume =  Base\ Area * Height

Make Height the subject

Height = \frac{Volume}{Base\ Area}

Height = \frac{105in^3}{15in^2}

Height = \frac{105in}{15}

Height = 7in

4 0
3 years ago
The length of two sides of triangle are 4cm and 5cm. Between what two
Elanso [62]

Answer:

1 and 9

Step-by-step explanation:

By the Triangle Inequality Theorem, the sum of two side lengths of a triangle is always greater than the length of the third side.

In other words, in a triangle with side lengths a, b, and c, we always have a+b > c.

Applying this to this question, the other side length, x, must satisfy the following inequalities:

4+5 > x,\\x+5 > 4,\\x+4 > 5.

Solving these inequalities gives

x < 9,\\x > -1,\\x > 1.

Combining these solutions, we have 1 < x < 9. Therefore, the length of the third side falls between 1 and 9.

5 0
2 years ago
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