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enyata [817]
3 years ago
5

Need help please and thank you

Mathematics
2 answers:
horrorfan [7]3 years ago
4 0
100 children's watches.
tia_tia [17]3 years ago
4 0
If 20% are men’s and women’s are 40% of the watches then there are 40% of the watches that are children’s. There are 250 watches total so multiply 250 by 0.4 = 100. There are 100 children’s watches
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What is the solution to the system of equations below? -4x+6y=-18 and y=-2x+21
Verdich [7]

Answer:

x=9 and y=3

Step-by-step explanation:

Let's solve your system by substitution.

−4x+6y=−18 and y=−2x+21

Rewrite equations:

y=−2x+21;−4x+6y=−18

Step: Solve  y=−2x+21for y:

y=−2x+21

Step: Substitute−2x+21foryin−4x+6y=−18:

−4x+6y=−18

−4x+6(−2x+21)=−18

−16x+126=−18(Simplify both sides of the equation)

−16x+126+−126=−18+−126(Add -126 to both sides)

−16x=−144

−16x

−16

=

−144

−16

(Divide both sides by -16)

x=9

Step: Substitute9forxiny=−2x+21:

y=−2x+21

y=(−2)(9)+21

y=3(Simplify both sides of the equation)

Answer:

x=9 and y=3

3 0
3 years ago
50 inches In 5 hours, how many inches in one hour
blagie [28]

10 because you have to divide them

-------------

4 0
3 years ago
The diameter of the base of the cone measure 17units the height measures 15units what is the unfilled volume inside the cylinder
777dan777 [17]

Answer:

V = 1134.9

Step-by-step explanation:

Since V=\pi r^{2}\frac{h}{3}

Firstly we need to divide 17 by 2 to get the radius which is 8.5

Then we need to solve by putting the values in...

=\pi x 8.5^{2} x \frac{15}{3}

= 1134.9

4 0
3 years ago
Plz help me with the questions for math
Sonja [21]

Answer:

2. 6/9

3.2/4

4. 8/10

Step-by-step explanation:

basically the idea is to find something in the same fact family so like the example on 1, follow that and try to answer the next problams on your own its really easy

( sorry if im wrong or not i tried to help)

7 0
3 years ago
Read 2 more answers
Hellp with this i dont understand please
34kurt

Answer:

C) y = 60x

Step-by-step explanation:

Download pdf
4 0
3 years ago
Read 2 more answers
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