What percent is represented by the shaded area?

Mathematics

1 answer:

Phantasy [73]3 years ago

5 0

Answer: 60%

This is because the shaded boxes cover 60/100 of the total boxes

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Is (-1,1) a solution to y=3x+4 and 4y-3x=-7

shepuryov [24]

(-1,1) is a solution to y=3x+4 but is not a solution to 4y-3x=-7

4y-3x=-7
Plug in the points
4(1)-(3(-1)) =-7
4+3 does not equal -7

7 0

3 years ago

A coffee shop sells lattes for $4 and cappuccinos for $3. Last Friday, they sold 78 drinks for a total of $252.

Bad White [126]

Answer: 60 cappuccinos were sold.

Explanation:
x = number of lattes sold
y = number of cappuccinos sold

Two equations can be set up:
x + y = 78
4x + 3y = 252

The first equation can be rearranged and substituted into the other equation to find the value of a variable.

y = 78 - x
4x + 3(78 - x) = 252
4x + 234 - 3x = 252
x + 234 = 252
x = 18

To find y, the value of x can be substituted into either equation.

x + y = 78
18 + y = 78
y = 60

To check answers, substitute both values into the original equations and make sure they work.

x + y = 78
18 + 60 = 78
78 = 78

4x + 3y = 252
4(18) + 3(60) = 252
72 + 180 = 252
252 = 252

5 0

3 years ago

Saving?

nikitadnepr [17]

Answer:

A man borrows * 8000

He agrees to repay with a total interest of 1360 in 12 monthly instalments.

Each instalment being less than the preceding one by * 40

= $\frac{12}{1360}$ x 40

= 12 x 34

= 408 (Ans)

7 0

3 years ago

I need help, if 25 feet of wire cost 6 dollars how much does each inch cost

Travka [436]

There are 12 inches in 1 foot, so in 25 feet there are then 25(12) inches, or 300 inches.

now, we know that 300 inches then, is 6 bucks, how much is it for 1 only?

$\bf \begin{array}{ccll}
inches&\$\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
300&6\\
1&x
\end{array}\implies \cfrac{300}{1}=\cfrac{6}{x}\implies x=\cfrac{1\cdot 6}{300}\impliedby 2~pennies$

8 0

3 years ago

Read 2 more answers

of all the whole numbers that divide evenly into two or more numbers the one with the highest value is called the _____________.

Vadim26 [7]

Greatest common factor (GCF)

3 0

3 years ago