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Umnica [9.8K]
2 years ago
10

Evaluate: 3x^2 + y when x=1 and y=-3

Mathematics
1 answer:
masya89 [10]2 years ago
3 0

Answer:

0

Step-by-step explanation:

3x^2 + y ( If x = 1, and y = -3)

= 3(1)^2 + (-3)

= 3 + -3

= 0

Cheers.

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find the perimeter when 96 triangles are put together in the pattern shown below. Assume that all triangle sides are 1 cm long.
Vikentia [17]

The perimeter when 96 triangles are put together in the pattern shown below will be 98cm

Find the required triangle attached

In the diagram shown, we can see that we have 5 triangles.

The first thing we need to do is add one more triangle to have, six triangles,

Perimeter of the resulting 6 triangles = 6 + 2 = 8cm

For 8 triangles;

Perimter = 8 + 2 = 10cm

For "n" triangles;

Perimeter of n triangles = n + 2

Hence if 96 triangles are put together in the pattern shown below, hence

n = 96

Perimeter of the 96 triangles = 96 + 2

Perimeter of the 96 triangles = 98 cm

Hence the perimeter when 96 triangles are put together in the pattern shown below will be 98cm

Learn more here: brainly.com/question/13362349

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3 years ago
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mylen [45]
Ms. Handler drove at a rate of 75 km per hour. you do this by dividing the distance (225 km) by the time (3 hours) to get the average km traveled per hour
8 0
3 years ago
Ms. Lee works at a pizzeria. She delivers an average of 3 pizza orders per hour. The pizzeria is offering a bonus to employees w
alexandr1967 [171]

Answer:

58 hours.

Which can also be 2days 10 hours.

Step-by-step explanation:

3 pizza orders = 1hour

200 deliveries per month= bonus

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X= 200-26= 174

174 divided by 3 = 58 hours.

6 0
3 years ago
Communitative property of 20×72×5
Rasek [7]
The answer for this problem is 7,200
8 0
3 years ago
Read 2 more answers
Is (x+7) a factor of f(x) x3-3x2+ 2x-8?
Snowcat [4.5K]

Answer:

(x+7) is not a factor

Step-by-step explanation:

we know that

If (x+7) is a factor of f(x)

then

For x=-7, f(-7)=0

Verify

we have

f(x)=x^{3}-3x^{2} +2x-8

Substitute x=-7

f(-7)=(-7)^{3}-3(-7)^{2} +2(-7)-8

f(-7)=-343-147 -14-8

f(-7)=--512

-512\neq 0

therefore

(x+7) is not a factor

3 0
3 years ago
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