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2 years ago

Use the order of operations to simplify 4 3/5 + 15 / 5 - 1/5. The answers I have are, 8, 19 2/5, 24 4/5, 7 2/5.

Mathematics

2 answers:

wariber [46]2 years ago

6 0

Answer:

d. 7 2/5

Step-by-step explanation:

hope this helps :)

Ira Lisetskai [31]2 years ago

6 0

Answer:

37/5, or 7 2/5

Step-by-step explanation:

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Can someone please help me with this question?

Dovator [93]

Answer the answer is f

Step-by-step explanation:

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3 years ago

Jim and his dad are bricklayers. Jim can lay bricks for a fireplace and chimney in 5 days. With his father's help he can build i

kati45 [8]

we are given

Jim can lay bricks for a fireplace and chimney in 5 days

Jim's 1 day work is

$=\frac{1}{5}$

we are given

With his father's help he can build it in 2 days

so, both can do same work in 2 days

so, both's 1 day work is

$=\frac{1}{2}$

Let's assume

his father to build it alone in x days

his father 1 day work is

$=\frac{1}{x}$

so, both's 1 days work is

$=\frac{1}{x}+\frac{1}{5}$

so, we can set it to 1/2

we get

$\frac{1}{2}=\frac{1}{x}+\frac{1}{5}$

now, we can solve for x

$\frac{1}{2}=\frac{5*1}{5*x}+\frac{1*x}{5*x}$

$\frac{1}{2}=\frac{5+x}{5x}$

now, we can cross multiply

$5x=2(5+x)$

$5x=10+2x$

$3x=10$

now, we can solve for x

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

so,

his father to build it alone is

$=\frac{10}{3}days$ ............Answer

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3 years ago

Which triangle CANNOT be drawn?

Genrish500 [490]

Answer:

I think its D. A triangle thats obtuse cant be equal because one of the angles has to be over 120°.

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3 years ago

Cory makes a map of his favorite park, using a coordinate system with units of yards. The old oak tree is at position (3, 7) and

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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