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Elena L [17]
3 years ago
6

2. La forma correcta de representar la suma de -6 con-12 es:

Mathematics
1 answer:
nlexa [21]3 years ago
5 0

Answer:

a) +-12-6

b) 70.5 * 18 = 1,269 + 120 = 1389 - 4 = 1385

c) 18

Step-by-step explanation:

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Which of the following statements are true?
olchik [2.2K]

Answer:

A. C.

Step-by-step explanation:

4 0
3 years ago
what is the y-intercept of the line perpendicular to the line y=-3/4x+5 that includes the point (-3,-3)?​
Deffense [45]

Answer:

1

Step-by-step explanation:

For this question, your friend is the point-slope form.

Point-slope form = y-y_1 = m(x-x_1)

The only variables you replace are m = slope, y1 = y of a given point, and x1 = x of a given point.

First, we need to find the slope that is perpendicular to the equation y=-\frac{3}{4}x+5

An equation that is perpendicular to another equation have to be negative reciprocals (negative inverse) of each other.

If the slope is 3, then the negative reciprocal of 3 is -\frac{1}{3}.

So, since the given slope is -3/4, the negative reciprocal is \frac{4}{3}.

We will use the negative reciprocal as m since we are trying to find the equation of line that includes (-3, -3) and is perpendicular to the other equation.

We will use point slope form using the (-3, -3) points and negative reciprocal as m.

y-y_1 = m(x-x_1)\\y-(-3) = \frac{4}{3} (x-(-3))\\y+3=\frac{4}{3}(x+3)

Now, we need to convert this into slope-intercept form. The reason why we need to do this is because y = mx + b, where b is the y-intercept. To do this, solve for y - or in other words, isolate y..

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

The y-intercept of the line is 1.

3 0
3 years ago
When 15 minus 3 is multiplied by a number the product is 2.
AlexFokin [52]
The number is 1/6. 15 minus 3 = 12. 12 times 1/6 is 2
4 0
3 years ago
The tree in your friend's yard casts a shadow that is 27 feet long. Your friend is 5 feet tall and casts a shadow that is 4.5 fe
LuckyWell [14K]
Th=Ukn
Ts=27
Fh=5
Fs=4.5
x/27=5/4.5
x=30
The tree is 30 feet tall.
7 0
3 years ago
Read 2 more answers
Find the volume of this 1/4 cylinder after removing the inner part​
denpristay [2]

28-21=7

thickness = 2x7=14

volume =  \frac{1}{4} \pi \times h( {ro}^{2}  -  {ri}^{2} ) \\ =  \frac{1}{4}  \times 3.14 \times 14( {35}^{2}  -  {21}^{2} ) = 8620.276

3 0
3 years ago
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