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3 years ago

PLEASE HELP FOR BRAINLIEST ANSWER!!!!

Mathematics

2 answers:

Mashutka [201]3 years ago

6 0

The answer for this question is A.

dsp733 years ago

4 0

Let's look at the decimal number. We want to know where root 91 is in relation to the decimal number. The decimal number is between 12 and 13, or in other words, between $\sqrt{144}$ and $\sqrt{169}$ . Both of these numbers are larger than $\sqrt{91}$ meaning that the answer has to be A

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Otis had a salad for $4.50, a sandwich for $6.25, and a drink at his favorite restaurant. The tax for the entire meal was $0.54.

UkoKoshka [18]

Assuming 4% tax.

(4.50+6.25+d)0.04= 0.54

(10.75+d)=13.5

d= $2.75

3 0

3 years ago

PLEASE HELP ASAP

jek_recluse [69]

It is none of them
9x³ - 4x³ = 5x³
3x² - -2x² = 3x²+2x² = 5x²
-3 - 16 = 13
So :
5x³ + 5x² +13

5 0

3 years ago

Divide each of the following by 10, 100, and 1000: 67.8, 456.8, 531.20.

Inessa05 [86]

67.8: 6.78, 0.678, 0.0677
456.8: 45.68, 4.568, 0.4568
531.20: 53.12, 5.312, 0.5312
The pattern here is that the number of 0s there are in the digit of whatever you are dividing by, that is how many places you move the decimal place to the right. For example, by dividing 67.8 by 100, the decimal place has been moved 2 places to the right, resulting in the number 0.678

6 0

4 years ago

Apel Sinoman has 100 ft of fencing material to enclose a rectangular exercise run for her dog. One side of the run will border h

Olegator [25]

Answer:

For maximum area of the rectangular exercise run dimensions will be 50ft by 25ft.

Step-by-step explanation:

Let the length of the rectangular exercise run = l ft

and width of the run = w ft

Sinoman has to cover a rectangular exercise run from three sides with the fencing material,

So length of the material = (l + 2w) ft

l + 2w = 100

l = 100 - 2w --------(1)

Area of the rectangular area covered = Length × width

A = lw

A = w(100 - 2w) [(l = 100 - 2w)from equation (1)

For maximum area we find the derivative of area and equate it to zero.

$\frac{dA}{dw}=\frac{d}{dw}[w(100-2w)]$

$A'=\frac{d}{dw}(100w-2w^{2} )$

A' = 100 - 4w

For A' = 0

100 - 4w = 0

4w = 100

w = 25 ft

From equation (1)

l = 100 - 2w

l = 100 - 2×(25)

l = 50 ft

Therefore, for maximum area of the rectangular exercise run dimensions will be 50ft by 25ft.

5 0

4 years ago

Molly had 1/8 of a bag of birdseed. She separated it equally into 2 bird feeders. What part of a bag did each feeder get?

Wewaii [24]

1/8 of a bag divided into two equal parts.
Each part gets 1/2 of 1/8, which is (1/2)*(1/8)=1/16 of a bag.
(hint: "of" frequently means multiply)

Answer: each feeder gets 1/16 of a bag of birdseed.

8 0

3 years ago

Read 2 more answers