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slamgirl [31]
3 years ago
10

8d = –56 –448 –7 –64 –48

Mathematics
1 answer:
LekaFEV [45]3 years ago
3 0
8d = -56
Divide both sies by 8:-
d = -56/8

d = -7 (answer)
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Help me please and thank you
Vlad1618 [11]

Answer:

-2

Step-by-step explanation:

The formula to find the slope of two points is \frac{y_2-y_1}{x_2-x_1}. Now, we plug in the values of (8,-6) and (11,-12) and simplify.

  • \frac{(-12)-(-6)}{(11)-(8)}
  • \frac{-12+6}{3}
  • \frac{-6}{3}
  • -2  

Therefore, the slope is -2.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

6 0
2 years ago
Train A leaves a station at 8:00 and travels at 100 km per hour towards the next city. One and a half hours later, Train B, an e
Anon25 [30]
Let t be time in hours.

Train A travels at 100 km per hour, so after t hours it will be 100t km from the station.

Train B travels at 160 km per hour, but it leaves the station one and a half hours later than train A, so its time is (t-1.5) hours. After (t-1.5) hours it will be 160(t-1.5) km from the station.

Train B will overtake train A when their distances from the station are equal.
100t=160(t-1.5) \\
100t=160t-240 \\
100t-160t=-240 \\
-60t=-240 \\
t=\frac{-240}{-60} \\
t=4

Train B will overtake train A after 4 hours since train A left the station. It left the station at 8:00, so train B will overtake it at 12:00.
6 0
2 years ago
Whats the equation for this​
yawa3891 [41]

Answer:

x^2 + y^2 + 4x + 4y  = -119/16

Step-by-step explanation:

The axes x and y are calibrated in 0.25

If the circle is carefully considered, the radius r of the circle is:

r = -1.25 - (-2)

r = 0.75 units

The equation of a circle is given by:

(x - a)^2 + (y - b)^2 = r^2

The center of the circle (a, b) = (-2, -2)

Substituting  (a, b) = (-2, -2) and r = 0.75 into the given equation:

(x - (-2))^2 + (y - (-2))^2 = (3/4)^2\\\\(x + 2)^2 + (y + 2)^2 = (3/4)^2\\\\x^2 + 4x + 4 + y^2 + 4y + 4 = 9/16\\\\x^2 + y^2 + 4x + 4y + 8 = 9/16\\\\16x^2 + 16y^2 + 64x + 64y + 128 = 9\\\\16x^2 + 16y^2 + 64x + 64y  = -119\\\\x^2 + y^2 + 4x + 4y  = -119/16\\

5 0
3 years ago
Name 3 decimals whose product is about 40
maxonik [38]
<span>4/10 8/20 2/5 These fractions you then simplify and get a product of 40 hope this helps you figure the answer out quicker.</span>
7 0
3 years ago
SLOPE IN MATH PLEASE HELP I’LL MARK BRAINLIEST + A LOT OF POINTS
Fed [463]

Answer:

-7/9

Step-by-step explanation:

here you go I hope it helps

7 0
3 years ago
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