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Masteriza [31]
2 years ago
15

Which phrase matches the algebraic expression below? (1 point)

Mathematics
1 answer:
Arturiano [62]2 years ago
3 0

Answer:

<h2>Three times the difference of x and seven plus ten</h2>

Step-by-step explanation:

In this exercise, we are expected to convert a mathematical expression to a word problem

Given the expresion

3(x - 7) + 10

we can see that the expression has two parts or terms

the first term is 3(x - 7)

which can be translated as three times the difference of x and 7

the second part is a constant term of 10, it carries a positive sign

so we have to add it up to the first term hence the first term plus 10

In all the word to expression the mathematical relation is

Three times the difference of x and seven plus ten

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Answer:

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Step-by-step explanation:

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From 5 a.m. to noon, the temperature rose 15 °F to a high of 10 °F.
kodGreya [7K]

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The temperature was 5 °F

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Perform the indicated operations. Write the answer in standard form, a+bi.<br> (5 + 6i)(5 - 6i)
lubasha [3.4K]

\boxed{\underline{\bf \: ANSWER}}

\sf \: ( 5 + 6 i ) ( 5 - 6 i )

Multiply complex numbers 5+6i and 5-6i in the same way as you multiply binomials.

\dashrightarrow \sf 5\times 5+5\times \left(-6i\right)+6i\times 5+6\left(-6\right)i^{2}

By definition, i² is -1.

\dashrightarrow \sf 5\times 5+5\times \left(-6i\right)+6i\times 5+6\left(-6\right)\left(-1\right)

Do the multiplications.

\dashrightarrow \sf \: 25-30i+30i+36

Now cancel -30i & +30i

\dashrightarrow \sf \: 25 \:  \bcancel{- 30i}  \:  +  \: \bcancel{30i}+36

Now the equation becomes

\dashrightarrow \sf \: 25 \:  + 36 \\ \dashrightarrow  \boxed{\bf \: 61}

________

Hope it helps.

ŕάίήвόώşάĻţ2²2²

5 0
3 years ago
Read 2 more answers
What is the area of the triangle?<br> 9 4 12
LUCKY_DIMON [66]

Answer:

  13.636

Step-by-step explanation:

The area can be found using Heron's formula:

  A = √(s(s-a)(s-b)(s-c))

where s=(a+b+c)/2.

For the given triangle, ...

  a=9, b=4, c=12, s=(9+4+12)/2 = 12.5

  A = √(12.5(3.5)(8.5)(0.5)) = √185.9375 ≈ 13.636

The area of the triangle is about 13.636 square units.

7 0
3 years ago
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