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GenaCL600 [577]
3 years ago
14

Tina noticed that she had taken notes on 25 pages of her notebook. 95 pages were still blank. Write and solve a subtraction equa

tion to find the total number of pages
Mathematics
1 answer:
castortr0y [4]3 years ago
5 0
25+95=120 25(notes on)=95(no notes on)=120 total
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Sam and Kevin both worked hard over the summer. Together they earned a total of $425. Kevin earned $25 more than Sam.
Taya2010 [7]

Answer:

(a)

system of equations are

s+k=425

k-s=25

(b)

Graph is attached

(c)

Sam earned =$200

Kevin earned =$225

Step-by-step explanation:

Let's assume

's' for the amount Sam earned

'k' for the amount Kevin earned

(a)

Together they earned a total of $425

so, we get

s+k=425

Kevin earned $25 more than Sam

so, we get

k=s+25

so, system of equations are

s+k=425

k-s=25

(b)

now, we can draw graph


(c)

intersection point will be our solution

and we got intersection point as

(200, 225)

so,

s=200

k=225

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3 years ago
PLEASE BE QUICK!!! 15 POINTS!!! What is the area of the triangle QRS?<br><br> _______ square units
Alika [10]

Answer: 7 square units

8 0
3 years ago
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At which root does the graph of f(x) = (x – 5)3(x + 2)2 touch the x-axis?
Art [367]

Answer:

answer: B, -2 edge 2020

Step-by-step explanation:

8 0
3 years ago
in 15 years Pam hope to have $30,000to make a down payment on a house. how much would she need to invest right now in a mutual f
Goryan [66]

Answer:

She needs to invest $13,636.36 right now

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

T = E + P

In this question:

In 15 years, so t = 15

She wants to have $30,000, so T = 30000

8% interest, so I = 0.08

We have to find P.

T = E + P

30000 = E + P

E = 30000 - P

Replacing:

E = P*I*t

30000 - P = P*0.08*15

30000 - P = 1.2P

2.2P = 30000

P = \frac{30000}{2.2}

P = 13636.36

She needs to invest $13,636.36 right now

5 0
3 years ago
5 = x is the same as x = 5 due to what
madam [21]
Symmetric Property of Equality
4 0
3 years ago
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