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lakkis [162]
3 years ago
15

...............................

Mathematics
1 answer:
antoniya [11.8K]3 years ago
4 0

Answer:

<h2>2 \sqrt{10}</h2>

Option C is the correct option.

Step-by-step explanation:

√ 8 • √ 5

Calculate the product

=  \sqrt{40}

Simplify the radical expression

=  \sqrt{2 \times 2 \times 10}

= 2 \sqrt{10}

Hope this helps...

Best regards!!

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you purchase 2 action figures a week. you have 48 action figures, which is 75% of the total number of action figures you need to
notka56 [123]

Answer:

8 weeks

Step-by-step explanation:

48 is 75%

x is 100%

48×100=4800

75x=4800

x=4800:75

x=64

64-48=16

16:2=8

Answer is 8 weeks

7 0
3 years ago
Prove the following statement by contradiction using an indirect proof. In a triangle angle A = 90°, then the triangle is a righ
kati45 [8]

Answer:

I prefer taking B

Step-by-step explanation : because when the degree is 90 than it should be a right triangle

3 0
4 years ago
What is the answer please give me the answer
Alex Ar [27]
69 and 83 hundredths
69.83 is the answer
3 0
3 years ago
Read 2 more answers
Eight less than 7times a number is -29
Alona [7]
7n-8=-29
You got the equation correct. 
I'm not sure if you want me to solve n but I'll do it in case you need help on that.
First, add 8 on both sides which would equal 7n=-21.
Now, divide 7 on both sides.
n=-3
Hope this helps
3 0
3 years ago
A certain chalkboard manufacturer determines that their largest blackboard model has a mean length of 5.00 m and a standard devi
Igoryamba

Answer:

23 chalkboards

Step-by-step explanation:

Given:

Mean length = 5 m

Standard deviation = 0.01

Number of units ordered = 1000

Now,

The z factor = \frac{\textup{x - Mean}}{\textup{standard deviation}}

or

The z factor = \frac{\textup{4.98 - 5}}{\textup{0.01}}

or

Z = - 2

Now, the Probability P( length < 4.98 )

Also, From z table the p-value = 0.0228

therefore,

P( length < 4.98 ) = 0.0228

Hence, out of 1000 chalkboard ordered (0.0228 × 1000) = 23 chalkboard are likely to have lengths of under 4.98 m.

7 0
3 years ago
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