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RSB [31]
3 years ago
7

Solve for x. x/7=-3 -21 -10 4 21

Mathematics
1 answer:
frez [133]3 years ago
5 0

Answer:

D  21

Step-by-step explanation: x/7 = 3

isolate x by multiplyig both sides by 7:   (7)(x/7) = (3)(7)

x = 21

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Write a function rule in terms of x and y for the line that contains the points (-7.4, -9.7) and ( 8.4, 6.1) .
Karo-lina-s [1.5K]

Answer:

y = x + -2.3

x = -y - 2.3 (but why would one need this?...)

Step-by-step explanation:

(6.1 - (-9.7))/(8.4 - (-7.4)) = 15.8/15.8 = 1

6.1 = 8.4 + b

b = -2.3

8 0
3 years ago
Find the difference <br> a. 41- 275 <br> b. -15 - 47<br> c. -72 - (-151) <br> d. 612 - (-144)
Gekata [30.6K]

Answer:

41-275=234

15-47=62

-72-{151}=223

612-144=174

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP I GIVE THANKS
Mekhanik [1.2K]
Like earlier take the bigger shape and divide the smaller one.
8.4 divide by 4 and you get 2.1.
5 0
4 years ago
Read 2 more answers
Chandler wants to raise 200$ to buy a new gaming system. He already has 80$ and plans to save 40$ a week. How many weeks will it
SashulF [63]

Answer:

<h2>3 weeks</h2>

Step-by-step explanation:

Step one:

given data

expected amount =$200

cash already at hand=$80

savings per week=$40

let the number of weeks be x

Step two:

the linear function for the situation is the same as the equation of a straight line

y=mx+c------1

200=4x+80

solve for x

200-80=40x

120=40x

divide both sides  by 4

x=120/40

x= 3 weeks

<u>Chandler will save for 3 weeks</u>

4 0
3 years ago
Vanessa bought a house for $268,500. She has a 30 year mortgage with a fixed rate of 6.25%. Vanessa’s monthly payments are $1,59
Genrish500 [490]

Answer:

Option a - $9,314.45

Step-by-step explanation:

Cost of the house = $268,500

Time of repayment = 30 years

Repayment is done monthly, so number of repayments = 30 X 12 = 360

Monthly Payment = $1595.85

Rate of interest per payment period = \frac{.0625}{12}

So, Present value of monthly payments = 1595.85 X  \frac{(1+\frac{.0625}{12})^{360}-1}{(1+\frac{.0625}{12})^{360}*(\frac{.0625}{12})}

= $259,185.55

So, Vanessa's down payment = $268,500 - $259,185.55 = $9,314.45

Hope it helps.

Thank you !!

8 0
3 years ago
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