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Olin [163]
3 years ago
7

-15) (-2)=

Mathematics
1 answer:
ivanzaharov [21]3 years ago
4 0

Answer: sorry dont know

Step-by-step explanation:

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Esta en ingles. Me podrían ayudar con la primera pregunta por favor?
dalvyx [7]
37% and for everyone else they want help on the first question and they said its in english
5 0
4 years ago
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Jack's brother is 14 years older than him. In six years time, Jack's brother will be twice as old as him. How old is Jack now?
mr Goodwill [35]
14+14 is 28 28-6 is 22 so Jack is 22
3 0
3 years ago
In the rectagular prism shown below, GH is parallel to EF. If the equation of GH is 6y-x=2, could the equation of EF be 4=y-1/6x
ASHA 777 [7]

Answer:

Yes

Step-by-step explanation:

Given

GH:

-6y - x = 2

Required

Can EF be

4 = y - \frac{1}{6}x

First, we determine the slope of GH

-6y - x = 2

Solve for 6y

6y = -x - 2

Solve for y

y = -\frac{1}{6}x - \frac{2}{6}

y = -\frac{1}{6}x - \frac{1}{3}

An equation has the form:

y =mx + b

Where

m = slope

By comparison:

m = -\frac{1}{6}

Next, determine the slope of EF

4 = y - \frac{1}{6}x

Make y the subject

y = -\frac{1}{6}x + 4

The slope is:

m = -\frac{1}{6}

Compare the slopes of both lines.

m=m = -\frac{1}{6}

Since they have the same slopes, then the equation of EF is possible

4 0
3 years ago
The data in the table are linear. Use the table to find the slope.
Gemiola [76]

Answer:

m = -\frac{3}{2}

Step-by-step explanation:

Given

x 2 4 6 8

y 1 -2 -5 -8

Required

Determine the slope

First, pick any two corresponding x and y values.

(x_1,y_1) =(2,1)

(x_2,y_2) =(8,-8)\\

The slope (m) is then calculated using:

m = \frac{y_1 - y_2}{x_1 - x_2}

Substitute in, the x and y values

m = \frac{1 - (-8)}{2- 8}

m = \frac{1 +8}{-6}

m = \frac{9}{-6}

m = -\frac{9}{6}

Divide numerator and denominator by 3

m = -\frac{9/3}{6/3}

m = -\frac{3}{2}

<em>Hence, the slope is -3/2</em>

8 0
3 years ago
What is a formula to calculate the area of cross section when the figure is in circular shape​
Naddik [55]

Answer:

Area for cross-section is 615.7521601cm

Step-by-step explanation:

area of a circle = πr²

π × radius²

In this question, the radius is 14, so you need to square it giving 196.

Then multiply by π = 615.7521601cm (round if necessary)

7 0
2 years ago
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