3 years ago

PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELPPPPPPPPPPPPP ME PLZ SHOW YOUR WORK

Mathematics

1 answer:

xeze [42]3 years ago

4 0

Answer:

Step-by-step explanation:

I wrote it super fast. lol

can you get it?

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What number needs to be added to 5 and 3 so that the ratio of the first number to the second

Mashcka [7]

Answer:

Step-by-step explanation:

Choose a variable to represent the number to be added to 5 and 3.

$\frac{5+x}{3+x}=\frac{4}{3}$

"Cross-multiply."

$3(5+x)=4(3+x)\\\\15+3x=12+4x\\\\15=12+x\\\\3=x$

Check: The ratio of 5+3 to 3 + 3 is 8:6, equal to the ratio 4:3.

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2 years ago

How would i solve this

Ivahew [28]

$\\ \sf\longmapsto f(-3)$

$\\ \sf\longmapsto -(-3)^2=-9$

$\\ \sf\longmapsto f(-5)$

$\\ \sf\longmapsto 5(-5)-2=-25-2=-27$

$\\ \sf\longmapsto f(-6)=5(-6)-2=-30-2=-32$

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2 years ago

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Which set is closed under multiplication?

Sav [38]

I think the answer is D

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3 years ago

Simplify (18x^4 – 3x^3 – 2x^3 + x^2 – 10 + 6), showing how you got your answer would be preferable!

Crazy boy [7]

Answer:

−

18x4−3x3−2x3+x2−10+6

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18x4−3x3−2x3+x2−4

Combine like terms

Solution

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Step-by-step explanation:

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3 years ago

1.-18(12)<br> 2. -352 + -225

Montano1993 [528]

Answer:

1.-204.5 2.-557

Step-by-step explanation:

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3 years ago