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Nataliya [291]
3 years ago
11

I need help please

Mathematics
2 answers:
Sidana [21]3 years ago
7 0
7 1/2
you go to both sides of the graph and count in till u get to the middle
Marat540 [252]3 years ago
3 0

Answer:

7 1/2

Step-by-step explanation:

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The city's central library has 72,864 books. The library has 72 bookcases. If each bookcase has room for the same number of book
marin [14]

Answer:

1012

Step-by-step explanation:

DO 72,864 divided by 72 :D

3 0
3 years ago
Read 2 more answers
An article measured speeds of vehicles on several roads in the state of Kansas. On South Cedar Niles, 73 vehicles were observed,
kifflom [539]

Answer:

The sample supports the hypothesis that more than half of the vehicles in South Cedar Niles exceed the speed limit.

p-value = 0.00092

Step-by-step explanation:

To solve this problem, we run a hypothesis test about the population proportion.

Proportion in the null hypothesis \pi_0 = 0.5

Sample size (n) = 73

Sample proportion (p) = 49/73 = 0.6712

H0: \pi_0 = 0.5

Ha: \pi_0 \geq  0.5

Test statistic = (p - pi)\sqrt{n} / \sqrt{\pi_0 (1-\pi_0)}

Calculated statistic = (0.6712 - 0.5)\sqrt{73} / \sqrt {0.5(1-0.5)} = 2.9255

p-value = 0.00092

Since, p - value is less than or equal to 0.05, the null hypothesis must be rejected. The sample supports the hypothesis that more than half of the vehicles in South Cedar Niles exceed the speed limit.

5 0
3 years ago
Can someone help please?
shepuryov [24]

Answer: 80

Mean: add numbers up then divide by the number of numbers there are.

Mode: the number that appears the most

Median: the number in the middle when lined up from smallest to largest.

range: the difference between the largest and smallest number.

Explanation for this equation: when we add all numbers we get 910. 910 divided by 11 is 82.72 repeating and the nearest tenth is 80.

3 0
3 years ago
Which represents the value of Point C on the number line?<br> B<br> -2<br> 2<br> -3<br> 1<br> 4
Lubov Fominskaja [6]

Answer:

The answer is -1

Step-by-step explanation:

3 0
3 years ago
Three friends each have some ribbon. Carol has 90 inches of ribbon, Tino has 7.5 feet of ribbon, and Baxter has 3.5 yards of rib
erastovalidia [21]

Answer: 306 inches or 25.5 feet or 8.5 yards.

Step-by-step explanation:

Given: Carol has 90 inches of ribbon, Tino has 7.5 feet of ribbon, and Baxter has 3.5 yards of ribbon.

1 feet = 12 inches

length of ribbon Tino has = 12 x 7.5 = 90 inches

1 yard = 36 inches

length of ribbon Baxter has = 3.5 x 36 = 126 inches

Total ribbon they have = (length of ribbon Carol has) + (length of ribbon Tino has) + (length of ribbon Baxter has)

= (90+90+126) inches

= 306 inches

In feet , Total ribbon = \dfrac{306}{12}\text{ feet}   [\text{ 1 inch}=\dfrac{1}{12}\text{ feet}]

=\text{25.5 feet}

In yards, Total ribbon =\dfrac{25.5}{3}\text{ yards}    [\text{1 feet}=\dfrac{1}{3}\text{ yard}]

=\text{ 8.5 yards}

Hence, the total length of ribbon the three friends have is 306 inches or 25.5 feet or 8.5 yards.

4 0
3 years ago
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