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Maurinko [17]
3 years ago
6

Use the image below to answer the following question.

Mathematics
1 answer:
Rainbow [258]3 years ago
3 0

Answer:9

Step-by-step explanation:pp

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Ms. Dunn spent 10.70 buying slices of pie and cookies. She bought a total of 24 items. A slice of pie costs 0.80 and a cookie co
Rus_ich [418]

Answer:

Ms. Dunn bought 7 slices of pie.

Step-by-step explanation:

With the information provided, you can write the following equations:

x+y=24 (1)

0.80x+0.30y=10.70 (2), where:

x is the number of slices of pie

y is the number of cookies

First, you can solve for x in (1):

x=24-y (3)

Next, you have to replace (3) in (2) and solve for y:

0.80(24-y)+0.30y=10.70

19.2-0.80y+0.30y=10.70

19.2-10.70=080y-0.30y

8.5=0.5y

y=8.5/0.5

y=17

Finally, you can replace the value of y in (3) to be able to find the value of x:

x=24-17

x=7

According to this, the answer is that Ms. Dunn bought 7 slices of pie.

7 0
3 years ago
Evaluate f g for x=-2<br><br>(fg)(-2)= ??
Lemur [1.5K]

Answer:

(fg)(-2) = 96

Step-by-step explanation:

(fg)(-2)=6(-2)^{4} =6(16)=96

Hope this helps

8 0
2 years ago
Given: 3x + y = 1.<br> Solve for y.<br> O y=-3x + 1<br> O y=-3x - 1<br> O y = 3x - 1
Ivan

Answer:

easy

Step-by-step explanation:

subtract 3x both side

3 0
3 years ago
Read 2 more answers
I need help 15 points scientific notation
Radda [10]

for number 19, figure out the exponents then multiply.

for scientific notaintion you figure out how many numbers are behind the decimal , then do that number as an exponient to 10 then multiply by that number. i hope i made a bit of sense. if not look at kahn academy for help !


8 0
3 years ago
How do you solve 2(y + 1) – 2 = 4 + 2y - y
Elina [12.6K]

Answer:

y=4

Step-by-step explanation:

2(y+1)-2=4+y

2y+2-2=4+y

2y=4+y

2y-y=4

y=4

7 0
3 years ago
Read 2 more answers
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