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ehidna [41]
4 years ago
10

Help asap !!!!!! look at the pic

Mathematics
1 answer:
Andreas93 [3]4 years ago
7 0

Answer:

45

Step-by-step explanation:

the real distance or AB is

d = v x t = 5 x 1,8 = 9 km

then use ratio to find the real distance of BC

AB/AB' = BC /BC'

AB' = in cm

BC' = in cm

9/6 = BC/3

BC = (9 x 3)/6 = 4.5 km

so now we can. find the time needed by Finn in BC

t = d/v = 4.5/6 = 0.75 hour or ¾ hour

¾ x 60 = 45 minutes.

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Round 17 5/8 to the nearest whole number
Greeley [361]
18 is the nearest whole number
7 0
4 years ago
Read 2 more answers
What is 2/3x + 1/6 = 4/3x
e-lub [12.9K]
First you have to get the variable to one side.
To do this you have to subtract 2/3x from both sides.
4/3x-2/3x=2/3x
Now you have:
1/6=2/3x
Divide by 2/3
1/6÷2/3=1/6×3/2=3/12=1/4
Your answer is:
X=1/4
6 0
3 years ago
Denise has taken four math tests this semester and
Viefleur [7K]

Answer:

93

Step-by-step explanation:

Setup an equation. Add the 5 tests together, the unknown test will be represented by x, Since there are 5 tests total, you will divide by 5. to find the average.

\frac{89 + 85+96+87+x}{5} = 90

To solve first multiply both side by 5.

(5) \frac{89 + 85+96+87+x}{5} = 90 (5)

89 + 85+96+87+x = 450

Add the left side and then solve for x

357 + x = 450

Subtract 357 from both sides

357 - 357 + x = 450 - 357

x = 93

The last test has to be a score of 93 to get an average of 90.

4 0
2 years ago
Wrong because when u dived 300 by 200 ur answer sould turn out be 1.5
krek1111 [17]

Answer:

Step 1: Divide 300 by 200 to get the number as a decimal. 300 / 200 = 1.5

Step 2: Multiply 1.5 by 100. 1.5 times 100 = 150. That's all there is to it!

Note that you can reverse steps 1 and 2 and still come to the same solution. If you multiply 300 by 100 and then divide the result by 200, you will still come to 150!

Step-by-step explanation:

hope it helps

6 0
3 years ago
What does to solve the equation x - 2 = 9 (hint: you would need to subtract 2) form both sides of the equation am I correct?
geniusboy [140]

Answer:

I think the answer to X = 11.

Step-by-step explanation:

X - 2 = 9, correct?

11 - 2 = 9.

I hope this can help! Please correct me

if i got it wrong. :D

7 0
3 years ago
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