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3 years ago

Factor by grouping 3v^3-2v^2+6v-4

Mathematics

1 answer:

GarryVolchara [31]3 years ago

6 0

Answer:(v2 + 2) • (3v - 2)

Step-by-step explanation:

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A truck is carrying 7 cars weighing an average of 3,000 pounds each. What is the total weight in tons of the cars on the truck?

Gelneren [198K]

Answer:

1 2 and 3

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Find the perimeter of ABC with vertices A (1,1), B (7,1), and C (1,9)

Effectus [21]

Answer:

24 unit

Step-by-step explanation:

Given,

The vertices of the triangle ABC are,

A (1,1), B (7,1), and C (1,9),

By the distance formula,

$AB=\sqrt{(7-1)^2+(1-1)^2}=\sqrt{6^2}=6\text{ unit}$

$BC=\sqrt{(1-7)^2+(9-1)^2}=\sqrt{6^2+8^2}=\sqrt{36+64}=\sqrt{100}=10\text{ unit}$

$CA=\sqrt{(1-1)^2+(1-9)^2}=\sqrt{8^2}=8\text{ unit}$

Thus, the perimeter of the triangle ABC = AB + BC + CA = 6 + 10 + 8 = 24 unit

4 0

3 years ago

Find the value of x. A: 15 B: 12 C: 10 D: 8

lbvjy [14]

Answer:

$\boxed{\sf C. \ 10}$

Step-by-step explanation:

$\sf The \ intersecting \ chord \ theorem \ states \ that \ the \ products$

$\sf of \ the \ lengths \ of \ the \ line \ segments \ on \ each \ chord \ are \ equal.$

$NH \times HT = MH \times HY$

$(x+20) \times 8=12 \times 20$

$\sf Expand \ brackets \ and \ multiply.$

$8x+160=240$

$\sf Subtract \ 160 \ from \ both \ sides.$

$8x+160-160=240-160$

$8x=80$

$\sf Divide \ both \ sides \ by \ 8.$

$\displaystyle \frac{8x}{8} =\frac{80}{8}$

$x=10$

5 0

3 years ago

Read 2 more answers

Bruno says30% of 50 is smaller than 50% of 30Is Bruno right ? Explain your answer.

lora16 [44]

Answer:

He's wrong.

Step-by-step explanation:

30% of 50 is 3/10 * 50 = 15
50% of 30 is 1/2 * 30 = 15
As you can see, 30% of 50 is the same as 50% of 30.

7 0

2 years ago

The graph shows the speed of a particle over a 10 second time interval find an estimate for the distance travelled by the partic

olga2289 [7]

Answer:

240

Step-by-step explanation:

(2x36)/2=36

(36+39)x2/2=75

(31+39)x2/2=70

(14+31)x2/2=45

(2x14)/2=14

14+45+70+75+36=240

5 0

4 years ago