I need help with my math

Mathematics

1 answer:

kherson [118]2 years ago

8 0

Answer:

Ok what is the problem

Step-by-step explanation:

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-2.8f+0.4f-11-4=? <br><br><br><br> HELP

Alexxandr [17]

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2 years ago

Find the value of the variable.

anzhelika [568]

Answer:

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2 years ago

What are the steps for solving, 7,542÷3

valina [46]

Answer:

2514

Step-by-step explanation:

Do the long division and you'll find the answer.

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2 years ago

If a 50 ft flagpole casts a 95 ft shadow, then how long is the shadow that a 5 ft tall of man casts ?

lesantik [10]

9.5 feet,to find that you must find out how many times longer the shadow of the pole is than the pole, and to do that you must divide 95 by 50, in which you get 1.9. And then to find the length of the shadow the man casts you must multiply his height by 1.9.

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3 years ago

Sarah answered 24 questions on her test correctly and earned an 80%. How many questions were on the test?

MaRussiya [10]

Answer:

43 questions in total

Step-by-step explanation:

the original equation with the unknown (total number of questions on the test) will look like this

$\frac{total \: number \: of \: questions \: on \: exam}{24 \: answered \: questions} = 80\%$

we know this because to work out a percentage in the 1st place you need the total ÷ number (in this case it's ÷ how many questions out of the total she did answer)

now you rearrange.

you need to move the 24 to get the total on it's own here's how you do it

$\frac{tot \: num \: of \: qs}{24} \times 24 = 80\% \times 24$