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3 years ago

PLEASE HELP ME I AM PAYING 100 POINTS!!

Mathematics

2 answers:

Ket [755]3 years ago

8 0

Answer:

1. 0.05x90

Step-by-step explanation:

Keith_Richards [23]3 years ago

4 0

Answer:

1. 0.05x90

2. 4.5

Step-by-step explanation:

1. 0.05(50+40)

50+40=90

0.05x90

2. 0.05(50)+0.05(40)

0.05x50= 2.5

0.05x40= 2

2.5+2= 4.5

That all i could do sorry but I hope this helps

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How do I count by twelfths

Korvikt [17]

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12 x 7 = 84

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hope this helps

8 0

3 years ago

Giving brainliest I only have 1 try please give out correct answer:)

madreJ [45]

I think yes. If not my bad.

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3 years ago

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What is the area of a triangle whose side is 17 meters long

Lunna [17]

Answer:

125.141

Step-by-step explanation:

Assuming that this is an equilateral triangle, I am going to divide this triangle in half to get a right triangle.

17 is our hypotenuse

17/2 = 8.5, this is one of our legs

The other leg is our height, which we will find.

We use Pythagoras Theorem to find the height/leg: $a^{2} +b^{2} =c^{2}$

$17^{2} -8.5^{2} = 216.75$

$\sqrt{216.75}$ = 14.72243186

Now, we use another formula to find the area of the triangle: $\frac{Base*Height}{2}$

14.72243186 × 17 = 250.2813416

250.2813416 ÷ 2 = <u>125.1406708</u>

8 0

3 years ago

2 3 (0, 3) and (3, 0) (-2,-5) and (3, 0) 0 (-1,0) and (3, 0)

Murljashka [212]

Answer:

Note that the line has a y-intercept at (0, 2), with slope m=1 m = 1 . Example 6: Find the equation of the line passing through (−1, 3) and (5, 1). Solution: First, find m, the slope. Given two points, use the slope formula

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3 years ago

Find the equation in standard form of the line passing through the points (3,-4) and (5,1)

gladu [14]

Answer:

5x-2y=23

Step-by-step explanation:

The line is passing through the points (3,-4) and (5,1).

Thus, we have

$x_1=3,y_1=-4,x_2=5,y_2=1$

The slope of the line is given by

$m=\frac{y_2-y_1}{x_2-x_1}\\\\m=\frac{1+4}{5-3}\\\\m=\frac{5}{2}$

The point slope form of a line is given by

$y-y_1=m(x-x_1)\\\\y+4=\frac{5}{2}(x-3)\\\\y+4=\frac{5}{2}x-\frac{15}{2}\\\\2y+8=5x-15\\\\5x-2y=23$

Thus, the standard form of the line is given by 5x-2y=23

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3 years ago

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