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vaieri [72.5K]
3 years ago
5

A 12 ounce box of cereal cost $.84 how many ounces should be in a box marked $.49

Mathematics
2 answers:
OLga [1]3 years ago
8 0

Answer:

7 ounces

Step-by-step explanation:

if 12 ounces is $0.84, that means it is $0.07 per ounce. if you have $.49, you divide .49 and 0.07 and you will get 7 ounces

Vlada [557]3 years ago
8 0

Answer: 7

Step-by-step explanation:

Rule of 3. Let's put the ounces on the left side and the price on the right side.

\frac{12}{x}=\frac{0.84}{0.49}\\

x=\frac{(12)(0.49)}{0.84} \\x=7 ounces

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On an algebra test , the highest grade was 50 points higher than the lowest the sum of the two grades was 122 find the lowest gr
KATRIN_1 [288]

Answer:

Highest grade: 86

Lowest grade: 36

Step-by-step explanation:

Let the highest grade be h, lowest grade be l.

h = 50 + l  \\  \\ h + l = 122 \\ h = 122 - l \\  \\

Therefore,

122 - l \:  = 50 + l \\ 2l \:  = 72 \\ l = 36 \\  \\ h = 36 + 50 = 86

6 0
3 years ago
the volume of a cylindrical tank is 936cubic meter. if its height is 6 meter determine the base area of the tank​
vladimir2022 [97]

Answer:

156 square m

Step-by-step explanation:

volume \: of \: cylindrical \: tank \\  = area \: of \: base \times height \\  \\ 936 = area \: of \: base \times \: 6 \\  \\ area \: of \: base  =  \frac{936}{6}  \\  \\ area \: of \: base  = 156 \:  {m}^{2}

6 0
3 years ago
X to the second power + 6x - 7 = 0
velikii [3]
X can equal -7 or 1
X = -7 and 1
6 0
3 years ago
Given that fx=2x2-4x+1, then f(-1)is.​
oksian1 [2.3K]

Answer:

f(-1)=7

Step-by-step explanation:

I am going to assume your question meant the equation

f(x)=2x^{2} -4x+1

So f(-1) can be found by substituting all the x terms in the equation with -1

f(-1)=2(-1)^{2} -4(-1)+1

And simplifying for our answer

f(-1)=2(1)+4+1

f(-1) = 2+4+1

f(-1)=7

5 0
3 years ago
Need help please and show work
Aloiza [94]
3z + 6
3z and 6 has greatest common factor, that is 3. Divide 3z and 6 by the greatest common factor (3).
3z ÷ 3 = z
6 ÷ 3 = 2

So, we could work on the expression as following.
3z + 6
= 3 × z + 3 × 2

From the expression above, we should separate 3 from z and 2 by a parenthesis to make distributive property.
3 × z + 3 × 2
= 3(z + 2)

SUMMARY
3z + 6
= 3 × z + 3 × 2
= 3(z + 2)
7 0
3 years ago
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