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3 years ago

PLEASE HELP!!!!! FAST!!! I’ll mark brainliest

Mathematics

1 answer:

siniylev [52]3 years ago

5 0

Answer:

the third one

Step-by-step explanation:

plan A is less expensive for more than 6 features

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greg is at a used bookstore. Paperback books cost $1 each, and hardcover books cost $2 each. Greg can spend up to $20 in all. Wr

hjlf

Step-by-step explanation:

Cost of paperback books = $1x = $x

Cost of hardcover books = $2y

Given Greg can spend a MAXIMUM of $20,

Cost of Paperback books + Cost of hardcover books must be at most 20.

Inequality of this situation =

$x + 2y \leqslant 20$

5 0

3 years ago

PLZZ GIVING BRAINILEST

ankoles [38]

Answer:

3.5(1.6 + 4.6 - 8.5) - 9.75
= 3.5(-2.3) - 9.75
= -8.05 - 9.75
= -17.8

Step-by-step explanation:

1.6 + 4.6 - 8.5 = -2.3
3.5(-2.3) = 3.5 × -2.3 = -8.05
-8.05 - 9.75 = -17.8

I hope this helps!

3 0

3 years ago

What is the difference of the fractions? Use the number line to help find the answer.

Doss [256]

Answer:

Option 'b' i.e. -11/20 is the correct option.

Thus,

$\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}$

Step-by-step explanation:

Given the expression

$\frac{1}{5}-\frac{3}{4}$

Determining the difference of the fractions

$\frac{1}{5}-\frac{3}{4}$

The Least Common Multiplier of 5, 4 is 20. Thus, adjust the fractions based on the L.C.M.

$\frac{1}{5}-\frac{3}{4}=\frac{4}{20}-\frac{15}{20}$

Apply the fraction rule: $\frac{a}{c}-\frac{b}{c}=\frac{a-b}{c}$

$=\frac{4-15}{20}$

Add the number: 4-15 = -11

$=\frac{-11}{20}$

Apply the fraction rule: $\frac{-a}{b}=-\frac{a}{b}$

$=-\frac{11}{20}$

Please check the attached figure, where the pointing-down arrow is representing the correct answer which is -11/20.

Therefore, option 'b' i.e. -11/20 is the correct option.

Thus,

$\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}$

3 0

3 years ago

Help…………….………thanks

Ksju [112]

Answer:

a= $\frac{11}{12}$

Step-by-step explanation:

to find a isolate it on one side by taking 1/3 by subtraction to the other side

a= $\frac{5}{4}$ - $\frac{1}{3}$ = $\frac{11}{12}$

8 0

3 years ago

A coin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. What percentage of the metal in the co

Leya [2.2K]

X for coin Y for copper
9X+16Y=25

5 0

3 years ago

Read 2 more answers