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maria [59]
3 years ago
5

Meredith is saving up to buy a digital camera that costs $490. So far, she saved $175. She would like to buy the camera 4 weeks

from now. How much money must she save each week to have at least enough money to buy the camera.
Mathematics
2 answers:
Gennadij [26K]3 years ago
8 0

Answer: $315 if 3 weeks instead. to get 4 weeks, just add $150 more to 315, which makes $465 in 4 weeks total.

Step-by-step explanation: According to another question just with a different person : THE BRAINLIEST ANSWER!

Brainly User

$315+$175=490                                                                                                                  

$105 each week

$105+$105+$105=$315

MatroZZZ [7]3 years ago
7 0

She would have to get 78.75 dollars every week to get the camera.

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Mom and her siblings have inherited a 30000 (Square miles) of land. She has 9 sisters and 3 brothers. Each brother has inherited
lyudmila [28]

Answer:

1875 square miles

Step-by-step explanation:

There are a total of 10 women and 3 men. Let's define two variables:

  • w: land inherited by a woman
  • m: land inherited by a man

Given that they inherited a 30000 (square miles) of land and that each brother has inherited double what each sister has inherited, we can establish the next equations:

2*w = m

10*w + 3*m = 30000

Replacing the first equation into the second one, and solving for w:

10*w + 3*2*w = 30000

16*w = 30000

w = 30000/16

w = 1875 square miles

Your mom, and all of her sisters, inherited 1875 square miles each

5 0
3 years ago
Which equation is equivalent to 3[x + 3(4x – 5)] = 15x – 24?
iragen [17]
3[x + 3(4x - 5)] = 15x - 24
3(x + 12x - 15) = 15x - 24
3(13x - 15) = 15x - 24
39x - 45 = 15x - 24    |add 45 to both sides
39x = 15x + 21      |subtract 15x from both sides
24x = 21      |divide both sides by 24
x = 21/24
x = 7/8

6 0
3 years ago
Evaluate the function for the given value.<br> If f(x) = -3x2 – 8, then f(-4)= ?
Ganezh [65]

Answer:

The answer is

<h2>f( - 4) =  - 56</h2>

Step-by-step explanation:

f(x) =  - 3 {x}^{2}  - 8 \\

To find f(-4) , substitute the value of x that's - 4 into f(x). That is for every x in f(x) , replace it with - 4

We have

f( - 4) =  - 3 ({ - 4})^{2}  - 8 \\  =  - 3(16) - 8 \\  =  - 48 - 8 \:  \:  \:  \:  \:

We have the final answer as

f( - 4) =  - 56

Hope this helps you

4 0
3 years ago
An object is launched from a platform.
Sonja [21]

Answer:

100

Step-by-step explanation:

Got it on Khan Academy, math geeks.

Congrats. Now you got a free cheater's answer in Quadratic Word Problems (vertex form). Your welcome, cause I got it wrong.

Don't mind my attitude. TRUST ME AND YOU WON'T REGRET IT.

:P

PLEASE MARK BRAINLIEST AND THANKS. THANK YOU SO MUCH!

8 0
3 years ago
Quadrilateral ABCD is inscribed in a circle<br> What is the measure of angle A?
Katen [24]

Answer:

Quadrilateral ABCD is inscribed in a circle, then

A + C = 180

=> 2x + 9 + 3x + 1 = 180

=> 5x = 170

=> x = 34

=> A  = 2 x 34 + 9 = 77 deg

Hope this helps!

:)

4 0
3 years ago
Read 2 more answers
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