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den301095 [7]
3 years ago
13

Can someone please help me

Mathematics
2 answers:
gavmur [86]3 years ago
8 0
You can use photo math
laiz [17]3 years ago
5 0
Step one use the distribution property to do step1
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Can someone help pls?
adell [148]

-2x^3-x^2-6x-7

I don't really know what else

6 0
3 years ago
What is reciprocal of the fraction in the equation 3/5(2x+8)=18?
Katen [24]

Answer:

5/3

Step-by-step explanation:

The reciprocal is the fraction upside down.

3 0
2 years ago
~Help me with this please I will mark as BRANLIEST and give you 55 POINTS! (If you answer correctly)
kolezko [41]

Answer:

y=50x+75

Step-by-step explanation:

When writing a linear equation from a graph, we need to find two things: the y-intercept (what y is when x is 0) and the slope.

First, let us find the y-intercept.

To do this, we can just look at the graph. When x=0, y=75, so 75 is our y-intercept, which is also known as b.

To find the slope of this line, we will need to look at two points

We already know that (0,75) is a point. From the graph, we can see that (1,125) is also a point on this line.

Now, we can find the slope of this line using the following formula m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{125-75}{1-0} \\\\m=\frac{50}{1} \\\\m=50

Now that we have both the y-intercept and slope, we can put them together in the form of y=mx+b

y=50x+75

5 0
3 years ago
Q.Take out the area of the trapezium.<br>Parallel sides-15,23<br>Non parallel sides-10,8​
Dmitriy789 [7]

Answer:

Step-by-step explanation:

Area of a trapezium is the average of the parallel sides times the distance between them.

If we subtract 15 units from each of the parallel sides, we end up with a triangle that has two sides of 8 units and one of 10 units. One of the 8 unit sides is the base and we need to find the height h which is perpendicular to this base.

Let the base be split into two segments, call one A, the other will be 8 - A

From Pythagoras.

10² - A² = h² = 8² - (8 - A)²

10² - A² = 8² - (8 - A)²

100 - A² = 64 - (64 - 16A + A²)

100 - A² = 64 - 64 + 16A - A²

     100  =  16A

         A = 6.25

h = √(10² - 6.25²)

h = √60.9375  

A = ½(15 + 23)√60.9375  

A = 148.31870246... ≈ 148.3 cm²

3 0
3 years ago
Read 2 more answers
18% top for a $30 meal
irakobra [83]

Answer:

the end is 24.6 because 30-18% is equal to 24.6

4 0
3 years ago
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