Three siblings are participating in a family-friendly running event. - The oldest sibling begins at the start line of the race and runs 7 miles per hour the entire time. - The middle sibling begins at the start line and walks at 3.5 miles per hour throughout the race. - The youngest sibling joins the race 4 miles from the start line and runs 5 miles per hour the rest of the way.

Answer:

8 pounds

Step-by-step explanation:

8.75 / 3.5 = 2.5

20/2.5 = 8

Answer: 8 pounds of strawberries

Step-by-step explanation:

$8.75 - 3.5 pound

? - 1 pound

1 pound - 8.75 ÷ 3.5 = 2.5

$2.50 = 1 pound

$20.00 = ?

$20 = 20 ÷ 2.5 = 8

$20.00 = 8

Allison can buy 8 pounds of strawberries with $20.00

Hope that helped!

Answer: Approximately d = 208.72

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Work Shown:

Make sure your calculator is in radian mode

A quick way to check is to compute cos(pi) and you should get -1

cos(angle) = adjacent/hypotenuse

cos(x) = 200/d

cos(0.29) = 200/d

d*cos(0.29) = 200

d = 200/cos(0.29)

d = 208.715135166392 which is approximate

d = 208.72

I rounded to two decimal places since x is rounded in that manner as well. Round however else you need if your teacher instructs.

Answer:

Step-by-step explanation: So theres 10 marbles total in the bag. 5 is one half of 10 so the probability to get a blue marble is 5/10 or 1/2 and the probablility of getting an orange one is 1/10 so you have to first get lucky and get that 5/10 chance, and then get even more lucky and get the 1/10 chance and so I believe that it would be 1/20

Answer:

Correct headsets= 274.4 = 274

Step-by-step explanation:

Giving the following information:

Number of units= 280

There is a 2% chance of finding a defective headset.

To calculate the number of headsets without any defect, we need to use the following formula:

Correct headsets= 280*0.98

Correct headsets= 274.4 = 274

Answer:

Divide both to get the specific number of rolls which is 5

Answer:

x = 7

Step-by-step explanation:

Given that ∆BCD ~ ∆BFG, therefore the ratio of their corresponding side lengths will be equal.

Thus:

[tex] \frac{BC}{BF} = \frac{BD}{BG} [/tex]

Substitute

[tex] \frac{17x + 13}{36} = \frac{154}{42} [/tex]

Cross multiply

[tex] 42(17x + 13) = 154(36) [/tex]

[tex] 714x + 546 = 5,544 [/tex]

[tex] 714x = 5,544 - 546 [/tex] (subtraction property of equality)

[tex] 714x = 4,998 [/tex]

Divide both sides by 714

x = 7

Answer:give them a 100$ bill and ask for change

Step-by-step explanation:

Answer:

3.0000

Step-by-step explanation:

Answer:

i'm assuming you mean tenth so 3

Step-by-step explanation:

you start by looking at just 2.97, the seven will round the 9 up to a ten so you will add one to the 2 and end up with 3 as your answer

Answer:

r=5

Step-by-step explanation:

Can i get brainlest

Answer:

r=5

Step-by-step explanation:

1)

-4r+18=-2 Subtract 18 from both sides

-18 -18

2)

-4r=-20

---- ---- Divide both sides by -4

-4r -4r

3)

r=5 -20/-4 ----------> 5

Answer:  g > 7

Graph has an open circle at 7 on the number line, shading to the right

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Explanation:

Think of it like saying "I have a number, and I add on 5. The result is something larger than 12". You can guess and check your way to the answer, but the quickest way is to subtract 5 from both sides.

We subtract to undo the addition happening to the 'g'.

g+5 > 12

g+5-5 > 12-5

g > 7

So the number is larger than 7. For instance, if g = 8, then,

g+5 > 12

8+5 > 12

13 > 12

This is a true statement.

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If you need to graph the solution, then you'll have an open circle at 7 on the number line. The open circle says to the reader "don't include this value as part of the solution set". Shade to the right of the open circle to describe all values larger than 7.

In summary, the graph has an open circle at 7 and shading to the right.

Answer:

P (34<X<39) = 0.5899

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

[tex]\mu = 37, \sigma = 3[/tex]

What is the probability that a cat would return to it's dish between 34 and 39 times a day.

This is the pvalue of Z when X = 39 subtracted by the pvalue of Z when X = 34. So

X = 39

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{39 - 37}{3}[/tex]

[tex]Z = 0.67[/tex]

[tex]Z = 0.67[/tex] has a pvalue of 0.7486

X = 34

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{34 - 37}{3}[/tex]

[tex]Z = -1[/tex]

[tex]Z = -1[/tex] has a pvalue of 0.1587

0.7486 - 0.1587 = 0.5899

So

P (34<X<39) = 0.5899

Answer:

-7

Step-by-step explanation:

-1 x -1 = 1

4 x -2 = -8

1 + (-8) = -7

Answer:

10X5 = 50    9X12 = 108

Step-by-step explanation:

Answer:

I think it's right. It's been a while so I'm not 100% sure but I'm pretty sure.

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

The ratio's of the sides of "D" match.

15/18=17.5/21

Answer:

$872.29

Step-by-step explanation:

to do a 8.25 percent sales tax you do $803.95*1.085 and you get the above number

Answer:

4 is the real number in that complex number

3.8383838e+99    THATS EZ MAN!

Answer:

$7049 is the answer.

Step-by-step explanation:

Answer: $7980

Step-by-step explanation:

Follow the formula A=Pe^rt

A= 7500(e)^(.031)(2)

A= 7980

Full question attached

Answer:

Greenland offers the lowest unit rate, dollars per pound

Step-by-step explanation:

For McCoy, $4.5 = 5 pounds

Therefore $1 = 5pounds/4.5= 1.11 pounds

1 pound= 1/1.11= $0.9009

For Eat smart

$3=2 pounds

Therefore $1=2pounds/3 = 0.667 pounds

1 pound = 1/0.667= $1.499

For Greenland

$1/5= 1/4 pounds

$0.2=0.25 pounds

$1= 1.25 pounds

Therefore 1 pound= 1/1.25= $0.8

For Mother Nature

$0.95= 1 pound

Therefore Greenland offers the lowest unit rate at $0.8 per pound

Answer:

Tax on 2400 naira = 190 kobo

Step-by-step explanation:

Given that:

The first 500 naira is tax free.

Amount earned = 2400 naira

Amount to be taxed = 2400 - 500 = 1900 naira

Payable tax = 10 kobo on every naira

1 naira = 10 kobo

1900 naira = [tex]\frac{1900*10}{100}[/tex]

1900 naira = 190 kobo

Hence,

Tax on 2400 naira = 190 kobo

Step-by-step explanation: Notice that the angle diagonal

of the 114° is a vertical angle and vertical <'s are ≅.

Now, notice that we have two parallel lines cut by a transversal.

If two parallel lines are cut by a transversal, then

consecutive interior angles are supplementary.

So we can setup the equation 114 + y + 12 = 180.

Simplifying on the left gives us 126 + y = 180.

Now subtract 126 from both sides to get y = 54.

Answer:

13

Step-by-step explanation:

39 pages of notes, and Tracy has 3 pages of notes during each hour. So what we can do is simple division, 39/3 which will give you 13. In conclusion, Tracy takes 39 notes in 13 hours.

Step-by-step explanation:

1a. 75,986

1b. Seventy five thousand nine hundred eighty six.

1c. 75,986=this one

[tex]7 \times10000 + 5 \times 1000 + 9 \times 100 + 8 \times 10 + 6 \times 1[/tex]

1d. 70,000

1e 80

I did not understand the rest. Hope it's useful.....

Answer:

heres that plot you needed for that one glasses of water thing

Answer:

Its c, none of the above.

Step-by-step explanation: