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Serga [27]
3 years ago
9

Answer expression 1: 6 x 7 - 3^2 x 9 + 4^3

Mathematics
2 answers:
miskamm [114]3 years ago
6 0

Answer:

The value of the expression is 25.

Step-by-step explanation:

Consider the provided expression.

6 \times 7 - 3^2 \times 9 + 4^3

First simplify the exponents.

3^2=9\ and\ 4^3=64

Substitute the value of exponents in the provided expression.

6 \times 7 - 9 \times 9 + 64

42- 81+ 64

106- 81

25

Hence, the value of the expression is 25.

skad [1K]3 years ago
5 0

In order to get the answer to this question you will have to use PEMDAS and solve.

6\times7-3^2\times9+4^3

Using PEMDAS:

3^2=3\times3=9

4^3=4\times4\times4=64

6\times7-9\times9+64

6\times7=42

9\times9=81

42-81+64

81+64=145

42-145

42-145=-103

=-103

Therefore your answer is "-103."

Hope this helps.

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Zinaida [17]

A) The equation that we need to solve is:

(12ft/s)*(- d/(15ft/s) + 300s) = d

B) The distance to the hive is d = 2000ft.

<h3 /><h3>What equation can you use to find the distance of the flower bed from the hive?</h3>

We know that the bee's speed is 15 ft/s from the hive to the flower bed.

Then stays 12 minutes at the flower bed.

Then returns to the hive with a speed of 12ft/s.

The total time of the journey is 17 minutes, discounting the 12 minutes that the bee was in the flower bed, the travel only took 5 minutes.

Now, if the distance between the hive and the flower bed is d, t₁ as the time that the bee needs to go from the hive to the flower bed, and t₂ as the time in which the bee goes from the flower bed to the hive, we can write the system of equations:

t₂ + t₁ = 5min

(15ft/s)*t₁ = d

(12ft/s)*t₂ = d

With that system of equations, we can find the value of d, which is what we want to get.

Isolating t₂ in the first equation we get:

t₂ = - t₁ + 5min

Now we can replace that in the third equation:

(15ft/s)*t₁ = d

(12ft/s)*(- t₁ + 5min) = d

In the first equation we can isolate t₁:

t₁ = d/(15ft/s)

And replace that in the remaining equation:

(12ft/s)*(- d/(15ft/s) + 5min) = d

5 min = 5*60s = 300s

(12ft/s)*(- d/(15ft/s) + 300s) = d

This is the equation we need to solve to find the value of d.

-(12/15)*d + 3600ft = d

3600ft = d + (12/15)*d = (1 + 12/15)*d = (27/15)*d

(15/27)*3600ft = d = 2000 ft

We conclude that the distance to the hive is 2000ft.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

8 0
1 year ago
when 1770 is divided into 14 equal parts, the remainder is 6. what is the correct way to write th quotient
Anuta_ua [19.1K]
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14 /1770. that's it if that's what ya needed.
4 0
3 years ago
51 is 33 1/3 of what number?
nevsk [136]

Answer:

\boxed{\frac{153}{100}\:\:Or\:\:1.53}

Step-by-step explanation:

Let the number be n.


Then,

33\frac{1}{3} \tmes n=51

This implies that;

\frac{100}{3} n=51


We multiply both sides by \frac{3}{100} to obtain;


\frac{3}{100} \times \frac{100}{3}n=\frac{3}{100} \times 51


\Rightarrow n=\frac{3}{100} \times 51


\Rightarrow n=\frac{153}{100}

Or

\Rightarrow n=1.53


5 0
3 years ago
Read 2 more answers
Kaltlin bought some books for $6 each and received a discount of $8 off of her total purchase. She spent $58 after the discount.
MrRissso [65]

Answer:

I might have bought about 9 books

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3 years ago
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In what time the compound amount of Rs 60000 at 10% rate is rs 79860?​
Ksenya-84 [330]

Answer:

P= Rs 60000

A= Rs 79860

T=1 & 1/2 year = 3/2 years

    = 3/2 x 2 = 3 half years

R= ?  

Applying the formula A= P (1+r/100)^T

           79860  = 60000 (1+ r/100)^3

                  79860/60000 = (1+r/100)^3

                  1331/1000 = (1+r/100)^3

root(3)(1331/1000) = (1+r/100)

                     11/10 = 1+r/100

                     11/10 -1 = r/100

                      1/10 = r/100

                       r= 10 %

Step-by-step explanation:

8 0
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