Simplify: 4.1c-(3.2c)-0.1c

Karl earned scores of 58, 88, 80, and 70 on his first 4 Chemistry tests. What is the minimum score he needs to earn on his fifth

OLga [1]

Answer:

79

Step-by-step explanation:

(58+88+80+70+ x)/5=75

75*5=296x

375=296x

x=375-296

x=79

8 0

3 years ago

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How to make improper fraction to mixed number

d1i1m1o1n [39]

Number 1, divide the numerator by the denominator.
Number 2, write down the whole number answer
Finally, write down the remainders in the numerator spot.

4 0

3 years ago

KELP! Use the terms from the word bank to answer the question. Terms can be used more than once or not at all.

Ghella [55]

How can am I suppose to answer the this without the word bank or the questions.

5 0

3 years ago

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What is the measure of arc EF in circle H? O 41° O 50° O 114 O 1730

timurjin [86]

Answer:

The measure of arc EF = 41°

Step-by-step explanation:

Given:

Arc DE = 73°

$\angle FED=123\°$

Now, we know from central angle theorem that the measure of central angle by an arc is twice that of the angle made by the same arc at the circumference. Therefore,

$\textrm{Major Arc DGF}=2\times \angle FED\\\textrm{Major Arc DGF}=2\times 123\\\textrm{Major Arc DGF}=246\°$

Now, we know that sum of all arcs on a circle is equal to 360°.

Therefore, arc DGF + arc DE + arc EF = 360°

$246+73+arc\ EF=360\\319+arc\ EF=360\\arc\ EF=360-319=41\°$

Therefore, the measure of the arc EF is 41°.

7 0

4 years ago

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Donatella and annasara shared some money in the

SVEN [57.7K]

Answer:

£30

Step-by-step explanation:

Since the ratio of Donatella and Annasara's amount is in the ratio 4:5,

Let's say Donatella and Annasara have 4x and 5x of money.

Since Annasara has £6 more than Donatella, we can say,

5x = 4x + £6

or, 5x - 4x = £6

or, x = £6

Hence,

Amount that Annasara has = 5x

 = 5*£6

 = £30

4 0

4 years ago