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elena55 [62]
3 years ago
6

4 [ 4 . 5 - 2 ( 1 . 2 ) ] sorry i don't like to do my work

Mathematics
1 answer:
Vinil7 [7]3 years ago
7 0

Answer:

15.6

Step-by-step explanation:

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which answer choice explains the pattern for how to find the slope using an equation in standard form?
Liono4ka [1.6K]

Question is using standard formula ax+by=c to find the slope by converting into slope intercept form y=mx+b

so we also need to convert ax+by=c into y=mx+b as shown below:

ax+by=c

ax+by-ax=c-ax

by=-ax+c

divide both sides by

y=-\frac{a}{b}x+\frac{c}{b}

Now compare it with y=mx+b, we get

m=-\frac{a}{b}

So using values of a and b, we can find the slope


compare given equation -5x+2y=15 with ax+by=c, we get:

a=-5, b=2

Now plug both into above formula

m=-\frac{a}{b}

m=-\frac{-5}{2}

m=\frac{5}{2}


Now matching these details with given choices we find that THIRD choice is the final answer.

7 0
3 years ago
It's in the picture....................​
lina2011 [118]
I promise this app called brainily is a life saver for algebra problems like this !! It’s not a scam trust me
8 0
3 years ago
Estimate the quotient of 900.37 and 29.8. 3 9 30 90
vesna_86 [32]

Answer:

30

Step-by-step explanation:

Quotient means were dividing, so divide 900.37 by 28.9

900.37/28.9=30 rounded up.

The estimated quotient of 900.37 and 28.9 is 30.

Hope this helps!

7 0
4 years ago
Read 2 more answers
The coordinates of three vertices of a triangle are(-1,-1), (5,-1), and (5,-4). What is the area of the triangle
DanielleElmas [232]
Area= 5(-4-(-1)) + 5(-1-(-1))+1(-1(-4))/2 = 6.00
5 0
3 years ago
What do the graphs of sine and cosine have in common with the swinging you see?
lilavasa [31]

The relationship between the cosine and sine graphs is that the cosine is the same as the sine — only it’s shifted to the left by 90 degrees, or π/2. The trigonometry equation that represents this relationship is: cosx= sin (x+π/2)

The graphs of the sine and cosine functions illustrate a property that exists for several pairings of the different trig functions. The property represented here is based on the right triangle and the two acute or complementary angles in a right triangle. The identities that arise from the triangle are called the cofunctionidentities.

5 0
4 years ago
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