3 years ago

Pls help me this is like really confusing !

Mathematics

2 answers:

EastWind [94]3 years ago

7 0

What do you need help on exactly?

riadik2000 [5.3K]3 years ago

3 0

do ya play r o b l o x if ya do tell me your username

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Find the value of x that makes each equation true.

Luba_88 [7]

$1.\\\\ 3x-10=2\\3x=2+10\\3x=12\ \ /:3\\ x=\frac{12}{3}\\x=4\\\\2.\\\\ 8x-10=x+11\\8x-x=11+10\\7x=21\ \ /:7\\x=\frac{21}{7}\\x=7$

$3.\\\\ 5x-7=7x-17\\5x-7x=-17+7\\-2x=-10\ \ /:(-2)\\x= \frac{-10}{-2}\\x=5$

$4.\\\\ 3x+9=44-2x\\3x+2x=44-9\\5x=35\ \ /:5\\x=\frac{35}{7}\\x=5\\\\5. \\\\3x+6=x+2\\3x-x=2-6\\2x=-4\ \ /:2\\x=-\frac{4}{2}\\x=-2
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8 0

3 years ago

Help! if theres a answer already dont be discouraged as usually i still give thanks and stars will give brainliest

Strike441 [17]

7 + (4^2 + 5) x 2 = 51

(2 + 3) x 3^2 + 39 / 3 = 54

2 x [(4 + 3) x 5 - 6] = 58

[84 / (3 + 4)] x 3 + 1 = 37

Therefore none of them equal 52!

7 0

3 years ago

Use the graph below for this question: graph of parabola going through negative 3, negative 1 and 5, negative 1. What is the ave

Fofino [41]

Here the points are(-3,-1) and (5,-1)

To find the average rate of change, we have to use the following formula .

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Here x1 =-3, y1=-1, x2=5,y2=-1

So we get

Average rate of change=

$\frac{-1+1}{5+3} = 0$

So the average rate of change from x=-3 to x=5 is 0

3 0

3 years ago

Convert 9 1/3 to a decimal.

nataly862011 [7]

B) 9.3
9 is already a whole number. 1 divided by 3 is .33 repeated, which rounds to .3.
9.0 + 0.3 = 9.3

3 0

4 years ago

Read 2 more answers

Size Cost 4R = $0.25 per photo 5R = $0.50 Per photo 6R = $0.80 per photo A school ordered 308 photos of size 4R and some photos

lbvjy [14]

Answer:

0.25×308=$77

185-77=$108

108/0.50×1

=216photos

Total photos=216+308

=524photos

Step-by-step explanation:

3 0

3 years ago