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taurus [48]
3 years ago
8

Substitution method 2x-y+24 y=-3x+16

Mathematics
1 answer:
Llana [10]3 years ago
4 0

- Using substitution means you are going to solve one equation for one variable and substitute with its value in the other equation in order to get also an equation with one variable.



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Felicia makes \frac{1}{2}
saw5 [17]

Question:

Felicia makes ½ gallon of fruit punch. She pours an equal amount into 8 glasses.

What fraction of a gallon fruit punch is in each glass?

Answer:

The fraction of a gallon fruit punch is in each glass is 1/16

Step-by-step explanation:

Given

Size of fruit punch = ½ gallon

Number of glass = 8

Required

Fraction of a gallon fruit punch is in each glass?

To solve this question, the following assumption has to be made.

- The 8 glass cups are of equal sizes.

Having said that;

The interpretation of the question is that, the fruit is evenly distributed into the 8 glass cups.

Mathematically, the size of the fruit punch will be divided by the number of glass cups.

So, we have

Fraction = ½ ÷ 8 (convert ÷ to *)

Fraction = ½ * ⅛

Fraction = 1/16

Hence, the fraction of a gallon fruit punch is in each glass is 1/16

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3 years ago
Use trigonometry to solve the triangle shown. Round all side lengths to one decimal place and
Eddi Din [679]

Answer/Step-by-step explanation:

Recall: SOH CAH TOA

✔️Find <A:

Reference angle (θ) = A

Opposite side = 14 cm

Hypotenuse = 20 cm

Apply SOH:

Sin θ = Opp/Hyp

Substitute

Sin A = 14/20

A = sin^{-1}(\frac{14}{20})

m<A = 44° (nearest whole number)

✔️Find <C:

Reference angle (θ) = C

Adjacent side = 14 cm

Hypotenuse = 20 cm

Apply CAH:

Cos θ = Adj/Hyp

Substitute

Cos C = 14/20

C = cos^{-1}(\frac{14}{20})

m<C = 46° (nearest whole number)

✔️Find AB:

Reference angle (θ) = C = 46°

Opposite side = AB

Hypotenuse = 20 cm

Apply SOH:

Sin θ = Opp/Hyp

Sin 46° = AB/20

20*Sin 46° = AB

AB = 14.4 cm (one decimal place)

3 0
3 years ago
What is the quotient of 6 times a number and 16
KonstantinChe [14]
<span>. 6 times a number is 6x, so quotient of 6x and 16 is the same as saying 6x16
</span>So your answer  is:=<span>96<span>x</span></span>
5 0
3 years ago
0.123 × 0.007 = _______. A. 0.000861 B. 0.00871 C. 0.861 D. 0.000900
melamori03 [73]

The answer is A 0.000861

3 0
3 years ago
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When you go to the store, does tax increase or decrease the cost of your items?
Musya8 [376]

yes because you have to pay more it's tricky

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