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jeka94
3 years ago
10

Deanna estimated the product of 6.45 and 10.2 below.

Mathematics
2 answers:
Alex Ar [27]3 years ago
7 0

Answer:

b i am smart

Step-by-step explanation:

Bas_tet [7]3 years ago
5 0

Answer:

B

Step-by-step explanation:

I took the test

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Part A: Factor 3x2y2 − xy2 − 2y2. Show your work. (4 points)
Rudik [331]
A.

3x^2y^2-xy^2-2y^2=y^2(3x^2-x-2)=y^2(3x^2+2x-3x-2)\\\\=y^2[x(3x+2)-1(3x+2)]=y^2(3x+2)(x-1)

B.

x^2+6x+9=x^2+2\cdot x\cdot3+3^2=(x+3)^2=(x+3)(x+3)\\\\\text{Used}\ (a+b)^2=a^2+2ab+b^2

C.

x^2-25=x^2-5^2=(x-5)(x+5)\\\\\text{Used}\ a^2-b^2=(a-b)(a+b)

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3 years ago
Help please need it for today
tensa zangetsu [6.8K]
Make a proportion of the diameter over the circumference.
185 feet / 580 feet = x / 10 feet
580x=1850
x= about 3.2

Diameter= about 3.2 feet

Hope this helps :)
4 0
3 years ago
Which statement is correct?
Alenkinab [10]

Answer:

The domain of the graph is all real numbers less than or equal to 0.

Hope this helps! :D

3 0
3 years ago
Is a 100% a bad grade for a math test
Travka [436]

Answer:

It's a great grade

Good job! :)

4 0
2 years ago
Read 2 more answers
I am having trouble understanding this: Sam bought 86 pounds of flour for his bakery. Every day he used the same amount of flour
oksano4ka [1.4K]

Answer:

the average amount of flour used each day=6.08 pounds

Step-by-step explanation:

Sam bought 86 pounds of flour for his bakery.

Every day he used the same amount of flour to make bakery items.

After 10 days, Sam was left with 25.2 pounds of flour.

Now we are asked to find the average pounds of flour that Sam used each day.

Total amount of flour used=86-25.2=60.8 pounds.

As he used the flour equal amount each day for 10 days.

So, the average flour used each day=

amount of flour used/ number of days=60.8/10=6.08.

the average amount of flour used each day=6.08 pounds

8 0
3 years ago
Read 2 more answers
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