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Leokris [45]
3 years ago
14

Please help with question 7 and 8 also 9

Mathematics
1 answer:
noname [10]3 years ago
5 0
I think it would be B but I’m not sure for number 7
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1. Nicole purchased new lawn furniture for $279.90. She used a coupon to
Alex Ar [27]

Answer:

$237.92

Step-by-step explanation:

0.85 x 279.90 = 237.915 = ~237.92

4 0
3 years ago
Write an equation of the line that passes through a pair of points (-5, -2), (4, 5)
PIT_PIT [208]
To find the equation of a line knowing two points it passes through, we must first find the slope and then substitute the x and y values to figure out the y intercept. 

First thing is to find the slope using the formula m = Δy ÷ Δx
m = 5 - (-2) ÷ 4 - (-5)

Now we simplify 
m = 7 ÷ 9 

Our equation so far is y = 7/9x + b. Now we can substitute the values of x and y from a point to figure out the answer. The equation here uses the point (4,5)

5 = 7/9 · 4 + b

Get b on one side
5 - 28/9 = b

Simplify
b = 1 + 8/9

That makes the equation of the line y = 7/9x + (1 + 8/9)
8 0
4 years ago
Read 2 more answers
A student solved this problem and said the answer is 2 3/8  cups.
mihalych1998 [28]

Answer:

Yes, the students answer is reasonable.

Step-by-step explanation:

Answer to the first question

6 0
3 years ago
Read 2 more answers
Here help please........................
Paraphin [41]
It’s 2 bro try to do it if I’m wrong I’m sorry but it’s 2
6 0
3 years ago
Read 2 more answers
Can someone please help me with the answer
pychu [463]

Answer:

x =  \frac{46}{3}

Step-by-step explanation:

A straight angle is equal to 180° degrees. Since both 9x +4 and 3x -18 is supplementary then I can make this claim below

(9x + 4 ) + (3x - 8) = 180

All we have to do now is to solve for x

(9x + 4) + (3x - 8) = 180 \\ 9x + 4+ 3x - 8 = 180 \\ 12x - 4 = 180 \\ 12x = 184 \\ x = \frac{184}{12}  \\ x =  \frac{46}{3}

6 0
3 years ago
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