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anygoal [31]
3 years ago
15

Can someone please help me I don’t know how to do this (Due today)

Mathematics
1 answer:
Inessa05 [86]3 years ago
7 0

Answer:

The answers are in the photo taken

Step-by-step explanation:

Pls mark as brainlest

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How do you solve by elimination/linear combination. <br>a. 3x+4y=17 <br> 5x-4y=7
r-ruslan [8.4K]
8x = 24
x = 3

3 (3) + 4y = 17
9 + 4y = 17
4y = 8
y = 2
5 0
4 years ago
Which describes a correct when a scatter plot is constructed
joja [24]

Answer:

Hello!  I wanted to explain the answer which someone might have already answered..  First off, I want to let you know that the Answer is "The scatter plot shows a linear association."  But how?  Well, linear means: "arranged in or extending along a straight or nearly straight line." Which if you didn't notice.. All the points on the graph, make up a generally straight line.

"No association" means there is no line or association with any of the points.  So, you'd pick that if the points were all over the graph in no order, line or combination; which isn't the case.  

Step-by-step explanation:

5 0
3 years ago
Is 3 tenths x 100 = 30 hundredths
VladimirAG [237]

Answer:

3/10 x 100 = 30.00

Step-by-step explanation:

Three tenths written as a fraction is 3/10. You can also write it as a decimal by simply dividing 3 by 10 which is 0.30.

If you multiply 0.30 with 100 you will see that you will get 30

7 0
3 years ago
!!!!!!!!!!!!!!!!!!!!​
notsponge [240]

Option 3

The solution for given expression is \frac{(x - 4)(x - 4)}{(x + 3)(x + 1)}

<h3><u>Solution:</u></h3>

Given that we have to divide,

\frac{x^2 -16}{x^2 + 5x + 6} \div \frac{x^2 + 5x + 4}{x^2 -2x - 8}   ---- (A)

Let us first factorize each term and then solve the sum

Using a^2 - b^2 = (a + b)(a - b)

x^2 -16 = x^2 - 4^2 = (x + 4)(x -4)  ----- (1)

x^2 + 5x + 6 = (x + 2)(x + 3)   ----- (2)

x^2 + 5x + 4 = (x+1)(x + 4)   ---- (3)

x^2 -2x - 8 = (x-4)(x + 2)   ---- (4)

Now substituting (1), (2), (3), (4) in (A) we get,

\frac{(x + 4)(x -4)}{(x +2)(x +3)} \div \frac{(x+1)(x+4)}{(x-4)(x +2)}

To do division with fractions, we turn the second fraction upside down and change the division symbol to a multiplication symbol at the same time. Then we treat this as a multiplication problem, by multiplying the numerators and the denominators separately.

\frac{(x + 4)(x -4)}{(x +2)(x +3)} \times \frac{(x - 4)(x + 2)}{(x + 1)(x + 4)}

On cancelling terms we get,

= \frac{(x -4)(x-4)}{(x + 3)(x + 1)}

Thus option 3 is correct

6 0
4 years ago
The formula for the area of the triangle is A = 1/2bh.
Natalka [10]
The answer would be 100m^2=1/2(22)(10)
8 0
3 years ago
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