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3 years ago

Evaluate 10 + 4(3 + 2) + 5 + (12 ÷ 6).

Mathematics

2 answers:

wolverine [178]3 years ago

7 0

10 + 4*3 + 4*2 + 5 + 2 =

<span>10 + 12 + 8 +7 = </span>

<span>22 + 8 +7 = </span>

<span>30 + 7 =37</span>

Zolol [24]3 years ago

4 0

Answer:

Answer is 37.

Step-by-step explanation:

Given : 10 + 4(3 + 2) + 5 + (12 ÷ 6).

To find : Evaluate

Solution : We have given 10 + 4(3 + 2) + 5 + (12 ÷ 6).

On applying BODMAS rule :

First we solve the brackets

10 + 4(5) + 5 + (2).

10 + 20+ 5 + 2

37.

Therefore, Answer is 37.

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Astrid travels 130 km in 2 hours and then at 85 km/h for another 3 hours to reach her

Pie

Answer:

$\huge\boxed{\sf Speed = 77\ km/hr}$

Step-by-step explanation:

<h3><u>Formula to be used in the question:</u></h3>

Speed = Distance / Time

<h3><u>Distance for the first 2 hours:</u></h3>

= 130 km

<h3><u>Distance for the next 3 hours:</u></h3>

Speed = 85 km/h

Time = 3 hours

So,

Distance = Speed × Time

Distance = 85 × 3

Distance = 255 km

So,

<h3><u>Total distance from home to destination:</u></h3>

= 130 + 255

= 385 km

<h3><u>Speed on the return journey:</u></h3>

Total distance = 385 km

Time = 5 hours

Speed = Distance / Time

Speed = 385 / 5

Speed = 77 km/hr

$\rule[225]{225}{2}$

4 0

2 years ago

PLEASE HELP I GIVE THANKS

MaRussiya [10]

first one is <u>=,</u><u /> second is <u>C,</u><u /> third is <u>B</u>

7 0

3 years ago

A cone and its dimensions are shown in the diagram above.

Kisachek [45]

Answer:

The answer closest is answer D) 62.13

Step-by-step explanation:

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4 0

2 years ago

The book fair had a sale where 4 books were $25.64. If you wanted to buy 6 books, how much money would you need?

Serjik [45]

$38.46

work-
25.64/4 =6.41
6.41*6=38.46
so you will need a total of $38.46 to buy 6 books.
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7 0

3 years ago

Gavin has $7,500 to invest. He is considering two investment options. Option A pays 4% simple interest. Option B pays 3.15% inte

Leviafan [203]

Solution:

Principal =P= $ 7,500

Option A→(Simple interest)

Rate of interest= R=4%

Time( $T_{1}$ )=4 years

Time( $T_{2}$ )=6 years

Amount= Principal + Interest(Simple or compound interest)

Formula for Simple interest

$S.I=\frac{P\times R\times T}{100}$

$S.I_{1}=\frac{7500 *4*4}{100}=1200\\\\ S.I_{2}=\frac{7500 *4*6}{100}=1800$

Total amount after 4 years when interest is simple= 7500 +1200= $ 8700

Total amount after 6 years when interest is simple= 7500 +1800= $ 9300

Option B

Formula for amount(A) when interest is 3.15% compounded annually.

$A=P*(1+\frac{R}{100})^t$

$A_{4}=7500*(1+\frac{3.15}{100})^4\\\\ A_{4}=7500*(\frac{103.15}{100})^4\\\\ A_{4}=7500*(1.0315)^4\\\\ A_{4}=7500*1.1320\\\\ A_{4}=8490.60$

$A_{6}=7500*(1+\frac{3.15}{100})^6\\\\ A_{6}=7500*(\frac{103.15}{100})^6\\\\ A_{6}=7500*(1.0315)^6\\\\ A_{6}=7500*1.2045\\\\ A_{6}=9033.9286$

Total amount after 4 years when interest is compounded annually=$ 8491 (approx)

Total amount after 6 years when interest is compounded annually=$ 9034(approx)

4 0

3 years ago

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