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noname [10]
4 years ago
7

PLEASE HELP:

Mathematics
1 answer:
wlad13 [49]4 years ago
4 0
76/2=38 so half her mothers age is 38. And since Moira is 3 less than the half of her mothers age, Moira is: 38-3=35
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omar will donate up to $500 to charity. the money will be divided between two charities: the city of youth fund and educational
marshall27 [118]

Answer:

Please refer to the attached graph

Step-by-step explanation:

Knowing the following:

X = amount of money donated to the city youth fund

Y = amount of money donated to the educational growth foundation

We can write the statements in form of equations:  

"Will donate up to $500, the money will be divided between two charities"

(a) X + Y = \$ 500

"The amount donated to the educational growth foundation to be at least four times the amount donated to the city youth fund"

(b) Y \geq 4X

If we graph both equations we can see the area where both conditions are met (see graph attached)

Where the blue line is (a) and the red line is (b)

Shaded area represent all the possible solutions for the donations, for example:

X=100 and Y=400 or

X=50 and Y=200, etc.

6 0
3 years ago
Solve for w. <br><br> 1/3w + 5/6w - 2 = -w
Scorpion4ik [409]

Answer: w=\frac{12}{13}

Step-by-step explanation:

To solve for w, we want to isolate the variable.

\frac{1}{3}w +\frac{5}{6}w-2=-w        [add both sides by 2 and w]

\frac{1}{3}w +\frac{5}{6}w+w=2           [convert to same denominator]

\frac{2}{6}w +\frac{5}{6}w+\frac{6}{6} w=2         [add]

\frac{13}{6} w=2                          [multiply both sides by 6/13]

w=\frac{12}{13}

Now we know that w=\frac{12}{13}.

6 0
3 years ago
Read 2 more answers
28. Rewrite the Scientific Notation into expanded form (normal number).<br> 8.675309 x 10
Aleks [24]
86.75309 is the answer
3 0
3 years ago
Suppose the circumference of a circle is 2 pi what is the area?
irina1246 [14]
 <span>Circumference of a circle = 2 π r 

(where r is the radius) 

Area of a circle = π r^2 

(where r is the radius) 

you have to find the radius

C = 2π unit 
r = 1 unit 

Area = π square units 
</span>
4 0
3 years ago
Read 2 more answers
How many solutions does the system have?Explain
Sergio [31]

Answer: it has no solution

Step-by-step explanation:

4 0
3 years ago
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