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skad [1K]
4 years ago
12

Which expressions are equivalent to 35+30s-45t35+30s−45t35, plus, 30, s, minus, 45, t?

Mathematics
2 answers:
Nata [24]4 years ago
5 0

Answer:

abe

Step-by-step explanation:

Ludmilka [50]4 years ago
3 0

Answer:

B, C, D

Step-by-step explanation:

Given expression 35+30s-45t

Note that

35=5\cdot 7\\ \\30=5\cdot 6\\ \\45=5\cdot 9

Use distributive property:

35+30s-45t\\ \\=5\cdot 7+5\cdot 6s-5\cdot 9t\\ \\=5(7+6s-9t)

Thus, choice B is true.

Rewrite given expression in following way:

35+30s-45t\\ \\=-(-35)-(-30s)+(-45t)\\ \\-(-1)\cdot 35-(-1)\cdot 30s+(-1)\cdot 45t\\ \\=(-35-30s+45t)\cdot (-1)

Thus, choice C is true.

Rewrite given expression in following way:

35+30s-45t\\ \\=10\cdot 3.5+10\cdot 3s-10\cdot 4.5t\\ \\=10\cdot (3.5+3s-4.5t)

Thus, choice D is true.

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12

Step-by-step explanation:

First fraction:

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(17/40 + 0.6 - 0.005) = 1.02

1⅕ = 1.2

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Final answer:

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Read 2 more answers
Which of the following points lies in the solution set of the inequality y > 3x +10?
shepuryov [24]

Since 3 is greater than -3, hence (-1, 3) lie in the solution set. Option C is correct

In order to determine the points that lie in the solution set of the inequality y > 3x +10, we will substitute the x-coordinate and see if <u>y is greater than the result.</u>

<u />

For the coordinate point (1, 10)

y > 3(1) +10

y > 13

Since 10 is not greater than 13, hence (1,10) does not lie in the solution set.

For the coordinate point (4, 20)

y > 3(4) +10

y > 22

Since 20 is not greater than 22, hence (4,20) does not lie in the solution set.

For the coordinate point (-1, 3)

y > 3(-1) +10

y > -7

Since 3 is greater than -3, hence (-1, 3) lie in the solution set.

Learn  more on inequality here: brainly.com/question/24372553

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3 years ago
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