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3 years ago

Find the slope of line passing through (-2,-1) and (4,-11)

Mathematics

2 answers:

makvit [3.9K]3 years ago

8 0

The slope is -5/3
make sure u add the negative

SVETLANKA909090 [29]3 years ago

3 0

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

$\frac{-11 - (-1)}{4 + 2}= \frac{-10}{6} = \frac{-5}{3}$

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Perform the operation. Enter your answer in scientific notation. 9 × 102 − 5.6 × 102 =

Arada [10]

Answer:

1489.2

Step-by-step explanation:

9*102-5.6*102=

102(9+5.6) =

102(9.0+5.6) =

102(14.6) =

102*14.6=

14.6*(100+2) =

(14.6*100+14.6*2) =

(1460+(14+.6) *2) =

1460+(28+1.2) =

1460+(28.0+1.2) =

1460+29.2=

1460.0+

29.2

=1489.2

3 0

3 years ago

Read 2 more answers

If inflation from last year to this year was 2% and a pair of designer jeans sold for $75 last year, what would you expect to pa

tamaranim1 [39]

Answer:

$76.5

Step-by-step explanation:

We have been given that inflation from last year to this year was 2% and a pair of designer jeans sold for $75 last year. We are asked to find the price of pair of designer jeans this year.

An inflation of 2% will increase the price of pair of jeans by 2%, so price of pair of jeans this year would be $75 plus 2% of $75.

$\text{Price of pair of jeans this year}=\$75+\$75\times\frac{2}{100}$

$\text{Price of pair of jeans this year}=\$75+\$75\times0.02$

$\text{Price of pair of jeans this year}=\$75+\$1.5$

$\text{Price of pair of jeans this year}=\$76.5$

Therefore, the price of pair of jeans would be $76.5 this year.

7 0

3 years ago

The scale in the drawing is 2 inches : 3 feet. What are the length and width of the actual room? *

patriot [66]

drawing isn't shown, pls take a screenshot or photograph the exercise

5 0

3 years ago

Please see the photo.

Andreas93 [3]

Answer:

CE and GD

Step-by-step explanation:

A secant of a circle is a line which passes through only 2 points of the circle. So it bisects the circle at exactly 2 points. BF is not a secant because even though the points are labelled there is no line passing through. The reason why GD is a secant is because there are the points G and F and a straight line runs through them so that's why it's a secant

4 0

3 years ago

Read 2 more answers

Calculate volume of hemisphere with radius 3.2 cm

Olin [163]

Answer:

V ≈ 68.63 cm³

Step-by-step explanation:

the volume (V) of a sphere is calculated as

V = $\frac{4}{3}$ πr³