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Bess [88]
3 years ago
13

Multiply. −2x(6 x 4 −7 x 2 +x−5) Express the answer in standard form.

Mathematics
1 answer:
Flura [38]3 years ago
3 0

Answer:

The answer is  -22x*2+10x

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1. On Wednesday you saw 12 robins on one tree and
stepladder [879]

Answer:

1. 19

2. 7

3. 9

4. 8

5. 9

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7 0
3 years ago
A principal of $4900 is invested at 4.75% interest, compounded annually. How much will the investment be worth after 7 years?
Svetllana [295]

Answer:

The investment will be worth $8,674 after 7 years.

brainliest?

8 0
3 years ago
(-8, 4) reflected across the x-axis
VashaNatasha [74]

Answer: The answer would be (-8,-4)

Step-by-step explanation:Answer:

Once you reflect a point across the X axis, you either flip it from top to bottom or bottom to top. The same points just flipped, I hope that makes sense lol. I will include a picture.

7 0
3 years ago
9 = w - 14<br><br>A() 24<br><br>B() 126<br><br>C() 5<br><br>D() 23
Helga [31]
If you’re solving for W these would be the steps.

9= w-14

You want to get the w on one side alone so you move the 14 to the other side by doing the opposite of it. Since it’s -14 you would add 14 on both sides.

9 = w -14
+14 = w +14
23 = w

Your answer is D. 23.
8 0
3 years ago
Suppose that the weight (in pounds) of an airplane is a linear function of the amount of fuel (in gallons) in its tank. When car
s344n2d4d5 [400]

Answer:

2351\text{ pounds}

Step-by-step explanation:

GIVEN: Suppose that the weight (in pounds) of an airplane is a linear function of the amount of fuel (in gallons) in its tank. When carrying 12 gallons of fuel, the airplane weighs 2078 pounds. When carrying 40 gallons of fuel, it weighs 2260 pounds.

TO FIND: How much does the airplane weigh if it is carrying 54 gallons of fuel.

SOLUTION:

Let the fuel be represented along \text{x-axis} and weight of plane along \text{y-axis}

two coordinates are (12,2078)\text{ and }(40,2260)

now, equation of linear function is

\text{y}-\text{y}_1=\frac{\text{y}_2-\text{y}_1}{\text{x}_2-\text{x}_1}(\text{x}-\text{x}_1)

putting values we get

\text{y}-2078=\frac{182}{28}(\text{x}-12)

2\text{y}=13\text{x}+4000

Now when fuel is 54\text{ gallons}

2\text{y}=13\times54+4000

\text{y}=2351\text{ pounds}

Airplane weighs 2351\text{ pounds}

8 0
3 years ago
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