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2 years ago

How do I do this question!

Mathematics

2 answers:

irina1246 [14]2 years ago

4 0

Answer: $\frac{7}{10}$

Step-by-step explanation:

2 $\frac{1}{10}$ barrels of almonds to make 3 batches of granola bar.

We need to turn fraction 2 $\frac{1}{10}$ into a mixed number

2 $\frac{1}{10}$ → $\frac{21}{10}$

Now we set up an equation.

$\frac{\frac{21}{10} }{3} =\frac{x}{1}$

Solve for x by cross multiplying and dividing.

$\frac{21}{10}$ ÷ 3 (KCF)

$\frac{21}{10}$ × $\frac{1}{3}$ = $\frac{21}{30}$

Now we simplify the fraction.

$\frac{21}{30}$ → $\frac{7}{10}$

$\frac{7}{10}$ barrels of almonds were used in each batch.

Flauer [41]2 years ago

3 0

Answer:2 x 3

Step-by-step explanation:

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Solve Formula for b: A =1/2bh

wolverine [178]

Answer:

$\huge \boxed{b = \frac{2A}{h}}$

Step-by-step explanation:

$A = \frac{1}{2} bh \\$

Multiply through by 2 to eliminate the fraction

That's

$2A = 2 \times \frac{1}{2} bh \\ 2A = bh$

Divide both sides by h to make b stand alone

$\frac{2A}{h} = \frac{bh}{h} \\$

We have the final answer as

$b = \frac{2A}{h} \\$

Hope this helps you

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3 years ago

17 students said they enjoy summer the most.

Ostrovityanka [42]

Answer:

Step-by-step explanation:

17 students chose summer, 7 boys

Girls that chose summer= 17-7=10

Twice Girls chose summer over spring= 10÷2 =5

5 Girls chose spring, 4 Girls enjoy winter

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2 years ago

Mr.Roshan will buy 12 1/2 pounds Beef for a cookout.The price for the first 3 pounds of beef is $4.99 per pound. After that,The

vagabundo [1.1K]

Answer:

$57.63

Step-by-step explanation:

For x > 3, the price in dollars Mr. Roshan will pay for x pounds of beef is ...

cost = 4.99×3 +4.49(x -3) = 3(4.99 -4.49) +4.49x

cost = 1.50 +4.49x

Then for x = 12.5 pounds, the cost is ...

cost = 1.50 +4.49×12.5 = 1.50 +56.13

cost = 57.63

Mr. Roshan will pay $57.63 for 12.5 pounds of beef.

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3 years ago

A pound of blueberries costs $3.98 and a pound of clementines costs $2.49. What is the combined cost of 0.6 pound of blueberries

FromTheMoon [43]

See https://web2.0calc.com/questions/i-need-help_24437.

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3 years ago

Find two numbers such that the sum of their squares is 100. The square of the larger number is equal to the sum of the product o

Shtirlitz [24]

Answer with Step-by-step explanation:

Let x and y are two numbers

According to question

$x^2+y^2=100$ ....(1)

Suppose x is larger than y

$x^2=x(4y+8x)$

$x=4y+8x$

$x-8x=4y$

$-7x=4y$

$y=-\frac{7}{4}x$

Substitute the value of y

$x^2+(-\frac{7}{4}x)^2=100$

$x^2+\frac{49}{16}x^2=100$

$\frac{16x^2+49x^2}{16}=100$

$\frac{65}{16}x^2=100$

$x^2=\frac{16\times 100}{65}$

$x=\sqrt{\frac{1600}{65}}=\frac{40}{\sqrt{65}}=\frac{40}{65}\sqrt{65}=\frac{8}{13}\sqrt{65}$

$y=-\frac{7}{4}\times \frac{8}{13}\sqrt{65}=-\frac{14}{13}\sqrt{65}$

3 0

2 years ago