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3 years ago

Can someone help me in 5 and 7 please

Mathematics

1 answer:

pav-90 [236]3 years ago

4 0

Write -22 in the middle of the graph, number the rest of the graph accordingly and draw an open circle around the line under the -22 and draw a line along the graph to the right

Write 15 in the middle of the graph and number the rest of the graph accordingly, draw a colored in circle under the 15 on the graph and draw a line to the to the right

Sorry, I'm on the road and couldn't take a picture of the solution

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Find the solution of the system of equations. 10x+10y=40 5x+3y=8

ddd [48]

Answer:

x = -2 & y = 6

Step-by-step explanation:

$10x+10y=40$

$10x+10y+ -10y=40+-10y$

$10x=-10y+40$

$\frac{10x}{10} =\frac{-10y+40}{10}$

$x=-y+4$

$5x+3y=8$

$5(-y+4)+3y=8$

$-2y+20=8$

$-2y+20+-20=8+-20$

$-2y=-12$

$\div2$

$y=6$

$x=-y+4$

$x=-6+4$

$x=-2$

Hope this helps.

7 0

2 years ago

-4n+3>23 A. -5 B. 5 C. -9 D. -20 E. 20

Pani-rosa [81]

It will be 20 after u subtract

6 0

3 years ago

Calculate the length of the circumference of a circle with a diameter of 4cm

MakcuM [25]

Length of circumference is 2πr
2 π r and r is equal to 2 cm
I.e 12.5 cm

6 0

3 years ago

48% of the children in a summer camp are boys. If there are 1536 boys, how many children are there in the

pantera1 [17]

there are 3200 children in the summer camp.

Step-by-step explanation:

Percentage of boys in summer camp= 48%

No of boys in summer camp=1536 boys

Total number of children in summer camp= $\frac{1536}{48}*100\\ =3200$

So, there are 3200 children in the summer camp.

Keywords: Word Problems having Percentage

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3 0

3 years ago

How is percentages and conversions used in the healthcare field

DanielleElmas [232]

Sometime you have to convert medicine amounts or maybe how much you have to cut something in surgery that you have to convert you also might use percentages figuring out the percent of something to go in a specific medication

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3 years ago