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3 years ago

Factor completely 3x − 12.

Mathematics

2 answers:

Alex Ar [27]3 years ago

8 0

Answer:

-12

Step-by-step explanation:

...do you want expl?

son4ous [18]3 years ago

8 0

Your answer is: 3x - 12

Hope this helps!! Happy holidays :)

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ipn [44]

Answer:

$ 14.25 this is probably the answer

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3 years ago

Read 2 more answers

Find the product (-21) x (-30)

nekit [7.7K]

Answer:

630

Step-by-step explanation:

(-21) × (-30)

21×30 Since 2 negatives multiplied to make a positive

Answer is 630

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3 years ago

The state fair is a popular field trip destination. This year the senior class at High School A and the senior class at High Sch

nata0808 [166]

Answer: There are 18 students in a van and 24 students in a bus.

Step-by-step explanation:

Let the number of students in the van be 'x' and the number of students in bus be 'y'.

Then, According to the question, we have the following system

$\text{[High School A ]}\ x+10y=258........................(1)\\\\\text{[High School B ]}\ 8x+5y=264........................................(2)\\$

Multiply 2 to both the sides of equation (2), we get

$16x+10y=528.......................(3)$

Subtract equation (1) from equation (3), we get

$15x=270\\\Rightarrow\ x=\frac{270}{15}\\\Rightarrow\ x=18$

Substitute value of x in (1), we get

$18+10y=258\\\Rightarrow\ 10y=240\\\Rightarrow\ y=24$

Hence, there are 18 students in a van and 24 students in a bus.

6 0

3 years ago

Erica is making feathered caps for her school play. Each cap must have 3 feathers. Write an equation that represents the number

FrozenT [24]

Answer:

$f=3c$

Step-by-step explanation:

Given:

Number of feathers = $f$

Number of caps = $c$

Number of feathers in each cap = 3

Now, solving by setting up a proportion.

1 cap has 3 feathers. 'c' caps has 'f' feathers.

This gives,

$\dfrac{1}{3}=\dfrac{c}{f}$

Solving by cross multiplication, we get:

$1\times f=3\times c\\\\f=3c$

Therefore, the equation representing the number of feathers 'f' Erica needs to make 'c' caps is given as:

$f=3c$

8 0

3 years ago

Find the percentage based upon 400 people in the survey. 16%

MA_775_DIABLO [31]

To find a percentage, you the decimal point in the percent two places to the right 16% = 0.16. Then multiply.

0.16 • 400 = 64

16% of 400 = 64

3 0

3 years ago