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3 years ago

I need help with this problem please help.

Mathematics

1 answer:

Nutka1998 [239]3 years ago

8 0

The answer should be SAS, since you know two sides and an angle in the boy’s case, and a side and an angle in the tree’s case.

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In order to get an. A in science,Jack must get at least 92% on his next test. If tbe test has 30 questions, what is the minimum

GaryK [48]

Answer:

Jack must Answer minimum 28 question correctly in order to get A in Science.

Step-by-step explanation:

Given:

Percentage required = 92%

Total Number of question = 30

We need to find the number of Question answer correctly.

Solution:

number of Question answer correctly be 'x'

So we can say that;

number of Question answer correctly divided by Total Number of question multiplied by 100 should be greater than or equal to percentage required.

framing in equation form we get;

$\frac{x}{30}\times 100\geq 92\\\\\frac{10x}{3}\geq 92$

Now Dividing both side by $\frac{3}{10}$ we get;

$\frac{3}{10}\times \frac{10x}{3}\geq 92\times \frac3{10}\\\\x\geq 27.2$

Hence Jack must Answer minimum 28 question correctly in order to get A in Science.

3 0

3 years ago

A fertilizer has the analysis of 12-24-20. How many pounds of N, P, and K are there in the 3000 lbs. of fertilizer?

grigory [225]

Answer:

$W_N=642.857ibs$

$W_P=1285.714ibs$

$W_K=1071.43ibs$

Step-by-step explanation:

From the question we are told that:

Ratio of NPK $R=12-24-20.$

Weight $W=3000 lbs$

Generally the sum of the ratio is given as

$\sum R=12+24+20$

$\sum R=56$

Generally the Weight of N is mathematically given by

$W_N=\frac{12}{56}*3000$

$W_N=642.857ibs$

Generally the Weight of P is mathematically given by

$W_P=\frac{24}{56}*3000$

$W_P=1285.714ibs$

Generally the Weight of K is mathematically given by

$W_K=\frac{20}{56}*3000$

$W_K=1071.43ibs$

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3 years ago

A test consists of 18

Dominik [7]

A. True. about 10% because if you guess on every question you might not pass the test.

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4 years ago

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How to simplify 81 1/2

VladimirAG [237]

81=81•2/2=162/2
81 1/2=162/2+1/2
=163/2
So 81 1/2=163/2=81.5

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3 years ago

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I have troubles with math

Varvara68 [4.7K]

You need to ask the question while you say you have troubles, But what can I help you with?

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3 years ago

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