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larisa [96]
3 years ago
15

8y=-6x+16 Solve this equation plssss

Mathematics
1 answer:
Rudik [331]3 years ago
3 0

Answer:

if your solving for y it would be y=-3x/4+2

if your solving for x it would be x=8/3-4y/3


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7(2c−5d)−3(d−2c) What’s this answer
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1. 7(2c-5d)-3(d-2c)
2. 14c-35d-3d+6c (DISTRIBUTE)
3. Answer: 20c-38d (PUT TOGETHER LIKE TERMS AND SOLVE)
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3 years ago
Rewrite in interval notation:<br> all real numbers that are greater than -22,
Naily [24]

Answer:

Step-by-step explanation:

all real numbers that are greater than -22 : x >  -22

interval notation: ]- 22 ; + ∞  [

3 0
3 years ago
A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the height of the coaster after the first
shepuryov [24]
It’s D 90-105 is -15
3 0
3 years ago
When a gas is kept at a constant temperature and pressure on it changes, its volume changes according to the following formula,
astra-53 [7]

Answer:  Approximately 1.9 atm

============================================

Work Shown:

P_1*V_1 = P_2*V_2 \ \text{ ... Boyle's Law}\\\\4.5*1.5 = P_2*3.5\\\\6.75 = P_2*3.5\\\\P_2*3.5 = 6.75\\\\P_2 = \frac{6.75}{3.5}\\\\P_2 \approx 1.92857142857142\\\\P_2 \approx 1.9\\\\

If the volume is 3.5 liters, then the pressure is approximately 1.9 atm.

Note the increase in volume leads to the reduction of pressure, and vice versa. The two variables have an inverse relationship.

-----------

As a check,

P_1*V_1 = P_2*V_2\\\\4.5*1.5 \approx 1.9*3.5\\\\6.75 \approx 6.65\\\\

We don't get the exact thing on both sides, but the two sides are close enough. We have rounding error due to P2 being not exact.

A more accurate check could be

P_1*V_1 = P_2*V_2\\\\4.5*1.5 \approx 1.92857*3.5\\\\6.75 \approx 6.749995\\\\

which has the two sides much closer to one another. This helps us verify the answer.

5 0
3 years ago
The height of a triangle is 2 centimeters greater than the base. The area of the triangle is 161.5 square centimeters. Find the
Nastasia [14]

Answer:

H = 19 cm

B = 17 cm

Step-by-step explanation:

A = (H x B) / 2 (formula for the area of a triangle)

161.5 = ((X + 2)(X)) / 2 (with X acting as the base)

323 = X^2 + 2X

0 = x^2 + 2x - 323

(X - 17) (X + 19) = 0

X = 17 or X = -19

You can't have a negative number as a side length so -19 doesn't work.

Because the height is larger than the base, you add the 2 to the one you will use as the height. Then just add the units (cm) because the area is in cm squared.

7 0
2 years ago
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