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3 years ago

15 POINTs_ NEED ASAP!

Mathematics

1 answer:

sleet_krkn [62]3 years ago

6 0

Answer:

Step-by-step explanation:

1 TRUE

A number is always 100% Anyting bigger than 100% is going to be a bigger number

Anything smaller than 100% is a smaller number

2FALSE 5/100 = 0.05 and NOT 0.5

0.5% is the same as thalf of 100% = 50%

50/100 = 5/10 = 0.5

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Simply this expression. Which like terms can she combine 12-4x+3

prohojiy [21]

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then you can simplify it:

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3 years ago

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4 years ago

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3 years ago

Eth enlarged the triangle below by a scale of 5.

levacccp [35]

Answer:

She should have multiplied one half (4)(3.5) by 5 squared.

Step-by-step explanation:

We are given that

Base of triangle=b=4 cm

Height of triangle=h=3.5 cm

Area of triangle= $\frac{1}{2}bh=\frac{1}{2}(4)(3.5) cm^2$

After enlarged

Scale factor=5

New base of enlarged triangle=b'=4(5) cm

Height of enlarged triangle=h'=3.5(5) cm

Area of enlarged triangle= $\frac{1}{2}4(5)(3.5\times 5)=\frac{1}{2}(4)(3.5)(5^2) cm^2$

But Beth wrote

Area of enlarged triangle= $\frac{1}{2}(4)(3.5)(5)=35 cm^2$

She should have multiplied one half (4)(3.5) by 5 squared.

3 0

3 years ago