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ipn [44]
3 years ago
8

80 grams of medicine increased by 15% how many grams

Mathematics
1 answer:
stellarik [79]3 years ago
7 0
92 grams.

Explanation:
80 grams increased by 15 percent of it own value is 12

80 + 12 = 92

92 grams
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I'll mark as brainliest if you get the answer correct with Explanation.
mrs_skeptik [129]

Answer:

25, 90, and 65

Step-by-step explanation:

so the measures have to add up to 180, because it's a triangle, and we know 25 and 90 ( the box corner thing means that angle is 90) so we add 25 and 90 to get 115, and then we subtract 115 from 180, which gets us 65.

6 0
3 years ago
In triangle ABC, a = 4, b = 6, and cos C = − 1/4. What is the length of side c?
shusha [124]

The length of side c would be 8.

Step-by-step explanation:

Given that,

a = 4

b = 6

cosC = -1/4

If we are given two sides and angle, the law of Cosines can be used to find the third side:

c^{2} = a^{2} + b^{2} - 2ab (cos(c))

By inserting the values in the formula, we get

c^{2} = 4^{2} + 6^{2} - 2.4.6 (-\frac{1}{4} )

c^{2} = 16 + 36 + 12

c^{2} = 64

\sqrt{c^{2} } = \sqrt{64}

c = 8.

Therefore, the length of side c would be 8.

7 0
3 years ago
Nick's Printing Press promptly sold 5-cent pencils and 10-cent pens to the public. It sold 1000 writing utensils and took $74.50
galben [10]

Answer:

  • 490 pens
  • 510 pencils

Step-by-step explanation:

Let p represent the number of pens Nick sold. Then the revenue is ...

  0.10p +0.05(1000 -p) = 74.50

  0.05p = 24.50 . . . . . . eliminate parentheses, subtract 50

  p = 490 . . . . . . . . . . . . multiply by 20

The number of pencils sold is then ...

  pencils = 1000 -490 = 510

Nick's Printing Press sold 490 pens and 510 pencils.

4 0
3 years ago
Which equation can be used to find what percent 14 is of 125?
GuDViN [60]

Answer:

B

Step-by-step explanation:

This is how I am confirming the answer:

14/125 = 0.112

125(0.112) = 14

7 0
3 years ago
Read 2 more answers
How many times does 70 go into 2,800
WINSTONCH [101]

Answer:

40

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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