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3 years ago

8

Somebody please help me at this question !!!!! :)

1 answer:

koban [17]3 years ago

3 0

4.11 in both boxes.
This is because
4.11
+4.11
---------
8.22

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Gavin goes for a run at a constant pace of 9 minutes per mile. Ten minutes later, Lars goes for a run, along the same route, at

sweet [91]

Answer: The answer is 35 minutes.

Step-by-step explanation: Given that Gavin goes for a run at a constant pace of 9 minutes per mile and after 10 minutes, Lars started running along the same route, at a constant pace of 7 minutes per mile. We need to find the number of minutes Lars will take to reach Gavin.

In 9 minutes, distance run by Gavin = 1 mile.

So, in 1 minute, distance travelled by Gavin will be

$d_G=\dfrac{1}{9}=\dfrac{7}{63}~\textup{miles}.$

Similarly,

In 7 minutes, distance run by Lars = 1 mile.

So, in 1 minute, distance travelled by Lars will be

$d_L=\dfrac{1}{7}=\dfrac{9}{63}~\textup{miles}.$

Now, since Lars started after 10 minutes, so distance run by Gavin in those 10 minutes will be

$d_{G10}=\dfrac{10}{9}=\dfrac{70}{63}~\textup{miles}.$

Now, difference between Lars and Gavin's rate of runnings is

$\dfrac{9}{63}-\dfrac{7}{63}=\dfrac{2}{63}.$

Therefore, the time taken by Lars to reach Gavin is given by

$t=\dfrac{\frac{70}{63}}{\frac{2}{63}}=35.$

Thus, the required time is 365 minutes.

6 0

3 years ago

Will mark brainliest, please answer correctly!!!

Mariana [72]

Answer:

The length of BC is 17 units

Step-by-step explanation:

we know that

An isosceles triangle has two equal sides and two equal angles

In this problem we have an isosceles triangle

Because

m∠ACB=m∠ABC ----> given problem

so

AC=AB

substitute the given values

$x+9=2x-8$

solve for x

$2x-x=9+8$

$x=17$

therefore

The length of BC is 17 units

5 0

3 years ago

Write in decimal form<br> 7+3/100+9/1000 =

SpyIntel [72]

Answer:

7.039

Step-by-step explanation:

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3 years ago

An experiment consists of randomly drawing a cube from a bag containing three red and

Slav-nsk [51]

Answer:

1. Sample space: red or blue

2. Red: 3/5, Blue 2/5

3. 60% probability of selecting a red, 40 percent probability

4. 1 more blue

Step-by-step explanation:

3. 3/5 x 2 = 6/10 --> 60%

4. 5 total, 3 red, 2 blue (+ 1 blue) = 6 total, 3 red, 3 blue

3 0

3 years ago

Resolve into factor<br><br>p⁴+7p²q²+16q⁴

dangina [55]

Answer:

15 q4. + 7p2q2 is the correct answer

8 0

3 years ago