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Dmitry [639]
3 years ago
7

ASAP PLS HELP!!!

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0

Answer:

4(-7)

Step-by-step explanation:

Natali [406]3 years ago
3 0
I believe it’s (4,-7)

I think lol
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A plane is a flying at an altitude of 23,760 feet. Which expression can be used to find the altitude on miles.
Zina [86]

Answer:

D. 23,760÷5,280 assuming that 5,5,280 is a typo

Step-by-step explanation:

If you divide it will give you the height in miles because there are 5,280 feet in a mile.

6 0
3 years ago
2. What is the equation in slope-intercept form of the line that passes through thepoints (-4, 47) and (2, -16)?O21 979y=-2*+ 21
trapecia [35]

hello

the points given are (-4, 47) and (2, -16)

let's find the intercept of this equation

\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ x_2=2 \\ y_2=-16 \\ y_1=47 \\ x_1=-4 \end{gathered}\begin{gathered} m=\frac{-16-47}{2-(-4)} \\ m=-\frac{21}{2} \\ slope=-\frac{21}{2} \end{gathered}

now, since we know the value of the slope, we can use that in the standard equation on a straight line

the standard equation of a straight line is given as

\begin{gathered} y=mx+c \\ m=\text{slope} \\ c=\text{intercept} \end{gathered}

we can pick any of the points and solve for intercept

let's use (2, -16)

\begin{gathered} x=2 \\ y=-16 \\ y=mx+c \\ m=-\frac{21}{2} \\ -16=-\frac{21}{2}(2)+c \\ -16=-21+c \\ \text{collect like terms} \\ c=-16+21 \\ c=5 \end{gathered}

now we know the value of intercept (c) = 5 and the slope (m) = 21/2

let's use this to write equation of the straight line

\begin{gathered} y=mx+c \\ y=-\frac{21}{2}x+5 \end{gathered}

from the calculations above, the equation of the straight line is given as y = -21/2x + 5

8 0
1 year ago
20 POINTS !!! PLZ ONLY HELP IF UR 100% SURE !!!
Darina [25.2K]

C.) is the correct answer! I’m 100% sure!

5 0
3 years ago
Read 2 more answers
Find the area of the shaded region in this figure.
stealth61 [152]

Answer:

B) 190 cm^2

Step-by-step explanation:

Im pretty sure all you gotta do is

20x10 which is 200 then do 5x2

which is 10 and you minus 10 from 200

Please correct me if im wrong here

I dont really remember doing these

6 0
2 years ago
3.5y−12=1.5(y−2)<br> A) One solution<br> B) No solution<br> C) Infinite solutions
Montano1993 [528]

Answer:

Step-by-step explanation:

3.5y - 12 = 1.5y - 3

2y -12 = -3

2y = 9

y = 4.5

the answer is a. one solution

5 0
3 years ago
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