Which is the correct answer?

Mathematics

1 answer:

forsale [732]3 years ago

7 0

Answer:h

Step-by-step explanation:

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The height of a boy is 1.46 meters. If there are approximately 3.28 feet in one meter, what is the height of the boy in inches?

grigory [225]

The boy is 4.79 ft tall.
Use the conversion formula of,
d(ft) = d(m) / 0.3048

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2 years ago

Solve each system of linear equations albebraically

ANEK [815]

Step-by-step explanation:

$1.\\\left\{\begin{array}{ccc}y=3x&(1)\\2y=6x&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\2(3x)=6x\\6x=6x\qquad\text{subtract}\ 6x\ \text{from both sides}\\6x-6x=6x-6x\\0=0\qquad\text{TRUE}\\\\Answer:\ \text{Infinitely many solutions}\\\\\left\{\begin{array}{ccc}y=3x\\x\in\mathbb{R}\end{array}\right$

$2.\\\left\{\begin{array}{ccc}y=2x+5&(1)\\y-2x=1&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\(2x+5)-2x=1\\2x+5-2x=1\qquad\text{combine like terms}\\(2x-2x)+5=1\\5=-1\qquad\text{FALSE}\\\\Answer:\ \text{No solution.}$

$3.\\\left\{\begin{array}{ccc}3x-2y=9\\-6x+4y=1&\text{divide both sides by 2}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}3x-2y=9\\-3x+2y=0.5\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad0=9.5\qquad\text{FALSE}\\\\Answer:\ \text{No solution.}$

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3 years ago

Why do you flip the equation when solving something like 10>-9x+10?

Karolina [17]

You flip the sign from > to < only when you are dividing by a negative number and in this case it would be negative 9.

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3 years ago

a baker is making bread dough.He uses 3 cups of flour for every 8 ounces of water. How many cups of flour will be use if he used

Nataliya [291]

Answer:

36 cups of flour

Step-by-step explanation:

if 3 cups of flour=8 ounces.what about 96 onces you cross multiply

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3 years ago

Figure LMNO is a parallelogram.

hodyreva [135]

Answer:

180 degrees

Step-by-step explanation:

Two angles are supplementary when they add up to 180 degrees. Therefore, the sum of Angle L and M's measures is equal to 180°.

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3 years ago