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3 years ago

Keisha orders chicken alfredo for $9.99,

Mathematics

1 answer:

Gennadij [26K]3 years ago

7 0

$9.99+ $3.99 + $1.52 = $15.50
10% =1/10 (just divide by 10)
$15.50 divided by 10 = $1.55

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How many yards will Ms. Angela need if she wants to make 10 of each type of mask if adding she has 2 1/2

Helga [31]

Answer:

$Total = 25\ yd$

Step-by-step explanation:

The given parameters can be represented as:

$Length = 2\frac{1}{2}$

$Number=10$

Required

The total yards

This is calculated as:

$Total = Number * Length$

$Total = 10 * 2\frac{1}{2}\ yd$

Convert fraction to decimal

$Total = 10 * 2.5\ yd$

$Total = 25\ yd$

3 0

3 years ago

DOES ANYONE KNOW THE ANSWER?????????

givi [52]

There's only information to answer question C.

We can only know that 32 marbles were chosen. (yellow and black)

Why?

To answer the first two questions (a and b), we need to know the total number of marbles, so, we can only answer the last question (c).

We know that 7/10 of the 20 yellow marbles were chosen.

So, calculating we have:

$\frac{7}{10}*20=14(yellow)$

Also, we know that 18 black marbles were chosen, so, the total of marbles chosen is equal to 32 (yellow marbles and black marbles)

$TotalMarbles=14(yellow)+18(black)=32marbles$

Have a nice day!

8 0

3 years ago

Solve by substitution x-y=-11 y+7=-2x

Bess [88]

x - y = - 11 .............( 1 )

y + 7 = - 2x ...............( 2 )

from equation ( 1 )

x - y = - 11

x = -11 + y ...........( 3)

putting x in equation ( 2 )

y + 7 = - 2 x

y + 7 = -2 ( -11 + y ) y + 7 = 22 - 2 y y + 2 y =22 - 7

3 y = 15 y = 15 / 3

putting value of y in equation 3

x = -11+ ( 13 /5 ) x = -33 /3 + 15 / 3 ( l.c.m)

x = -17 / 5

check

x = -11 + y

- 17 / 5 = -11 + 13 / 5

-17 /5 = -17 / 5

4 0

3 years ago

Arianna correctly simplified an expression. When she substituted X = 2 into the simplified expression, the value was -4. Which c

Illusion [34]

2x-4x

is an expression that equals too -4 if thats what u were looking for

7 0

3 years ago

Read 2 more answers

when the product of six and the square of a number is increased by five times the number the result is four

Alenkinab [10]

Answer:

6n^2 + 5n = 4

Step-by-step explanation:

Represent the number by n. Then: 6n^2 + 5n = 4.

Next time, please include complete instructions. What were you supposed to do here?

6 0

3 years ago