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bekas [8.4K]
2 years ago
12

Base is 4 1/2 and height is 2 2/3, what is the area

Mathematics
1 answer:
olga_2 [115]2 years ago
4 0

Answer:

12

Step-by-step explanation:

have a good day/night

may i please have a branlliest\

sorry if it wrong

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What is the length HK
Natali [406]

The answer to this question is 64mm


6 0
3 years ago
2-3x=-6 solve the ecuation<br> <img src="https://tex.z-dn.net/?f=2%2F-3x%3D-6" id="TexFormula1" title="2/-3x=-6" alt="2/-3x=-6"
Mkey [24]
Answer:

2-3x=-6

We simplify the equation to the form, which is simple to understand
2-3x=-6

We move all terms containing x to the left and all other terms to the right.
-3x=-6-2

We simplify left and right side of the equation.
-3x=-8

We divide both sides of the equation by -3 to get x.
x=2.66666666667

God bless you and have a beautiful rest of the day!
8 0
3 years ago
Read 2 more answers
Asphere has a diameter of 20 ft What is its surface area?<br> The surface area of the sphere is?
Snowcat [4.5K]

Answer:

1256 ft²

Step-by-step explanation:

20 ÷ 2 = 10

4πr²

4 × 3.14 × 10²

4 × 3.14 × 100

4 × 314

1256

8 0
2 years ago
A researcher wants to see if birds that build larger nests lay larger eggs. He selects two random samples of nests: one of small
True [87]

Answer:

95% confidence interval for the difference between the average mass of eggs in small and large nest is between a lower limit of 0.81 and an upper limit of 2.39.

Step-by-step explanation:

Confidence interval is given by mean +/- margin of error (E)

Eggs from small nest

Sample size (n1) = 60

Mean = 37.2

Sample variance = 24.7

Eggs from large nest

Sample size (n2) = 159

Mean = 35.6

Sample variance = 39

Pooled variance = [(60-1)24.7 + (159-1)39] ÷ (60+159-2) = 7619.3 ÷ 217 = 35.11

Standard deviation = sqrt(pooled variance) = sqrt(35.11) = 5.93

Difference in mean = 37.2 - 35.6 = 1.6

Degree of freedom = n1+n2 - 2 = 60+159-2 = 217

Confidence level = 95%

Critical value (t) corresponding to 217 degrees of freedom and 95% confidence level is 1.97132

E = t×sd/√(n1+n2) = 1.97132×5.93/√219 = 0.79

Lower limit = mean - E = 1.6 - 0.79 = 0.81

Upper limit = mean + E = 1.6 + 0.79 = 2.39

95% confidence interval for the difference in average mass is (0.81, 2.39)

3 0
2 years ago
Of the following mumbers,which one is prime 14,13,21,33
vfiekz [6]
The prime number is 13
4 0
3 years ago
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