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3 years ago

6

A bottle contains 2 quarts of cooking oil. A chef uses 1/12 quart of cooking oil each day. How many days will the bottle of cook

ing oil last?

1 answer:

klio [65]3 years ago

7 0

It would last 24 days

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Martha ran a 5-kilometer race in 22.5 minutes what is Martha's unit rate

IgorLugansk [536]

22.5/5 = 4.5
For every 4.5 minute, she runs 5 km

4 0

2 years ago

Solve the following equation simultaneously 2a-3b+10=0, 10a+6b=8

tia_tia [17]

$2a -3b +10 =0\\\\10a+ 6b -8 =0\\\\\text{Using cross multiplication method}\\\\\\ \dfrac a{(-3)(-8) - 6(10)} = \dfrac b{10(10) - 2(-8)} = \dfrac 1{ 2(6) - (-3)(10)}\\\\\\\implies \dfrac a{24-60} = \dfrac b{100+16} = \dfrac 1{12+30}\\\\\\\\\implies -\dfrac {a}{36} = \dfrac b{116} = \dfrac 1{42}\\\\\\\text{Hence}\\\\a = - \dfrac{36}{42} = -\dfrac 67 \\\\\\ b= \dfrac{116}{42} = \dfrac{58}{21}$

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2 years ago

Please help!!<br> (Question in the picture)

natulia [17]

Perpendicular,
Explanation:
I just drew it down on paper

8 0

2 years ago

5/10 × 3 explain how you got the answer then when finish do 4/10 × 4 and explain.

barxatty [35]

Hello from MrBillDoesMath!

Answer:

1.5, 1.6

Discussion:

The question is how to interpret 5/10 * 3. Both multiplication and division have the same precedence but we proceed from left to right (doing the divison first)

5/10 * 3 = (5/10) * 3 = (1/2)* 3 = 3/2 = 1.5

Same approach for the second equation:

4/10 * 4 = (4/10) * 4 = 16/10 = 8/5 = 1.6

Thank you,

MrB

6 0

3 years ago

Hope someone can help me with this

postnew [5]

The perimeter:

40+35+16+16+125.7= 232.7 m

btw lowkey frustrating that they alternate between cm and m

8 0

3 years ago