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Neporo4naja [7]
2 years ago
10

What is 33 minus thirteen

Mathematics
2 answers:
VMariaS [17]2 years ago
8 0

Answer:

20

Step-by-step explanation:

Shalnov [3]2 years ago
8 0

Answer:

20

Step-by-step explanation:

33 - 13 = 20

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Plz help me this is mathswatch by the way
ArbitrLikvidat [17]

Answer:

111g

Step-by-step explanation:

185 divided by 5 is 37

The reason you divide by 5 is because that is the total of the numbers of the ratio.

37 x 3 is 111

I multiply by 3 because it is the value of the yogurt according to the ratio

Please mark brainliest

4 0
3 years ago
Read 2 more answers
For a triangle, m<1 =75 and m<3 =40 what does m<2 =?​
VladimirAG [237]

Answer:

m<2 = 65

Step-by-step explanation:

The measures of angles 1 and 3 should be added together resulting in 115 degrees, and all triangles equal 180 degrees. Therefore, to find m<2, you have to subtract 115 from 180 resulting in a measure of 65 degrees.

7 0
3 years ago
A grower believes that one in five of his citrus trees are infected with the citrus red mite. How large a sample should be taken
kotegsom [21]

Answer: 68

Step-by-step explanation:

Formula for sample size when prior estimate of population proportion (p) is available:  n=p(1-p)(\dfrac{z^*}{E})^2

, where z*= critical-value.

E= Margin of error.

Let p be the population proportion of  trees are infected with the citrus red mite.

As per given , we have

p=\dfrac{1}{5}=0.2

E= ± 0.08

The critical z-value corresponding to 90% confidence level = z*=1.645

Substitute all the values in the above formula , we get

Required sample size  :n=(0.2)(1-0.2)(\dfrac{(1.645)}{0.08})^2

\Rightarrow\ n=(0.2)(0.8)(20.5625)^2

\Rightarrow\ n=0.16(422.81640625)\\\\\Rightarrow\ n=67.650625\approx68 [Rounded to next integer.]

Thus, the minimum sample size should be taken =68

6 0
3 years ago
Help ASAP i need a lot of help
sleet_krkn [62]

Answer:

12.

Step-by-step explanation:

to find the permiter of a rectangle you add the lengths of the rectangles four sides .

4 0
2 years ago
Find the value of :x^2+2xy+y^2-3x-3y-1<br> have: x^2-y=y^2-x (x<img src="https://tex.z-dn.net/?f=%5Cneq" id="TexFormula1" title=
lidiya [134]

Answer: The answer is x^2+2xy+2y^2–3x–3y–1

Step-by-step explanation: Move 2 to the left of y^2.

7 0
2 years ago
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