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dedylja [7]
3 years ago
9

Could you please help me......

Mathematics
1 answer:
solong [7]3 years ago
4 0

Okay. So for this problem you need to know that a foot is 12 inches. So Chris's piece of wood will measure 3x12 inches or 36 inches.

Because the first piece is 14 inches, the other piece must be 36-14 inches long or 22 inches long.

answer: 22 inches

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If the measure of each exterior angle of a regular polygon is 18°, determine how many sides the polygon has.
Sveta_85 [38]

we are given

exterior angle is 18

so,

\theta=18

now, we can use formula

number of sides of regular polygon = 360/(exterior angle)

so, we get

n=\frac{360}{18}

n=20

so, number sides is 20..........Answer

7 0
3 years ago
An urn contains 12 balls, of which 4 are white.
wel

Answer:

a) \frac{1}{3}

b) \frac{4}{12}\,,\,\frac{4}{11}\,,\,\frac{4}{10}\,,...

Step-by-step explanation:

Number of balls in the urn = 12

Number of white balls in the urn = 4

So, number of balls which are not white = 12 - 4 = 8

We know that probability = No. of outcomes/Total number of outcomes

Let A_i\,,\,B_i\,,\,C_i denotes the event of getting white ball by A, B and C

a) each ball is replaced after being drawn.

Probability = Number of white balls/Total number of balls

Solution: P(A_i)=P(B_i)=P(C_i)=\frac{4}{12}=\frac{1}{3}

b)the balls that are withdrawn are not replaced.

Solution:

If A wins: P(A_1)=\frac{4}{12}=\frac{1}{3}

If A lost and B wins: P\left ( B_1|A_1^{c} \right )=\frac{4}{11}

If A and B lost and C wins: P\left ( C_1|A_1^{c}\,B_1^{c} \right )=\frac{4}{10}

and so on....

4 0
3 years ago
Shelly bought 7 boxes of fish food and 2 packets of cat food. Each box of fish food contained 6 pouches, and each packet of cat
AfilCa [17]

<u>Answer:</u><u> </u><u>3</u><u>4</u><u> </u><u>m</u><u>o</u><u>r</u><u>e</u><u> </u><u>p</u><u>o</u><u>u</u><u>c</u><u>h</u><u>e</u><u>s</u>

7 boxes - fish food; 1 box contained 6 pouches

Total amount of fish food is 7 × 6 = 42 pouches of fish food

2 packets - cat food; 1 packet contained 4 pouches

Total amount of cat food is 2 × 4 = 8 pouches

How many more pouches of fish food than cat food did Shelly buy?

42 pouches - 8 pouches = 34 pouches

Therefore there was 34 more pouches of fish food than cat food

7 0
3 years ago
What is the value of A when we rewrite 1.44^1.2x as A^x​
Lina20 [59]

Answer:

a = 0.64

Step-by-step explanation:

hope that helped

3 0
2 years ago
You owe $1,853.42 on a credit card with a limit of $3,000.00 at a rate of 15.5% APR. You pay $400.00 the first 2 months and then
Assoli18 [71]

Answer:

the answer is the 2nd one :)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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