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marshall27 [118]
3 years ago
9

| 17. You have saved $95 and can

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
7 0

Answer:

Step-by-step explanation:

400=15x+95

305=15x

20 1/3=x

lys-0071 [83]3 years ago
4 0

Answer:

21 weeks

Step-by-step explanation:

if u need more take the 20 1/3 and round to 21 making u have more than 400 dollars

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Brainliest pls help (dont have to show work)
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Answer:

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Step-by-step explanation:

5 0
3 years ago
Could someone do all the problems and/or check my work?
MArishka [77]
11. You’ve done it correctly

12. Let x^2=y
y^2+13y+40=0
(y+8)(y+5)=0
y=8, 5
Since y=x^2
x^2=8 x^2=5
x=+/-√5 x= +/-2√2

13. x^4-x^2-x^2-8=0
x^4-2x^2-8=0
let x^2=y
Y^2-2y-8=0
(y-4)(y+2)=0
y=4, -2
Since y=x^2
X^2=4 X^2=-2
X= +/- 2 This wouldn’t be a real solution

14. It’s pretty much the same process, just substitute y in for x^2. If you’re confused feel free to ask and I can do it, or you can put it through Photomath

15. You’re on the right track so I’m just going to continue from where you left off
x^2(4x+5)-4(x+5)=0
(x^2-4)(4x+5)=0
x= +/- 2 4x=5
x=5/4 or 1 1/4

Hope this helped :)
8 0
3 years ago
Read 2 more answers
Carlos dropped the phone he had received for his birthday and broke the screen. He knows he has to pay for the replacement himse
kiruha [24]

Answer:

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Step-by-step explanation:

what's the question

7 0
3 years ago
Aaron has 7/8 gallon of bottled water.How many 3/6 gallon servings can he pour
Anettt [7]
7/8 + 3/6 = 10/14 = 5/7 = 0.71 And if you want to make it a whole number, you multiply by 100 and you should get 71 as a whole number. Therefore: he can pour 71 gallon servings of bottled water. I hope this is helpful!!^_^!!
6 0
3 years ago
Select an equation that passes through the point (5,7) and is perpendicular to the line x=4
alexandr1967 [171]

y = 7

x = 4 is a vertical line parallel to the y- axis passing through all points with an x- coordinate of 4

A line perpendicular to x = 4 will be a horizontal line parallel to the x- axis with equation y = c where c is the value of the y- coordinate the line passes through.

line passes through (5 , 7) with y- coordinate 7

The equation is therefore y = 7


8 0
3 years ago
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