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3 years ago

Can some one please help me with the number line

Mathematics

1 answer:

ycow [4]3 years ago

8 0

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What is the base of the largest triangular flag can make?

JulsSmile [24]

Answer:

9.36cm

Step-by-step explanation:

We can add up all the sides to find the perimeter.

$x+2x+2x=5x$

So the perimeter, 46.8, is equivalent to 5x.

Solve.

$5x=46.8 \\ \\ x=9.36$

So $x$ is 9.36.

Since the base is $1x$ , the base is 9.36cm.

We can plug back in to check our answers.

$2x=18.72\\9.36+18.72+18.72 = 46.8$

8 0

3 years ago

Read 2 more answers

Evaluate.

aleksandrvk [35]

Answer: -2 4/15

Step-by-step explanation: To properly subtract, we need to find a common denominator. We can list the multiples of 3 and 5 to find the common denominator:

3: 3, 6, 9, 12, 15

5: 5, 10, 15

The first common multiple we see is 15.

Calculation:

3 · 3 = 9

9 + 1 = 10

3 1/3 = 10/3

5 x 5 = 25

25 + 3 = 28

-5 3/5 = -28/5

Now to convert into fifteen as the denominator:

-28/5 = -28 x 3/5 x 3 = -84/15

10/3 = 10 x 5/3 x 5 = 50/15

Now to subtract accordingly:

50/15 - 84/15 = -34/15

Final answer: -34/15 (can be reduced to -2 4/15).

3 0

1 year ago

10.5% of 238 also need to estimate as well.

diamong [38]

10.5% of 238 is 24.99, or 25 if you round it up.

3 0

3 years ago

If x/4=45/36 then what is x

miskamm [114]

Answer:

x is 5

Step-by-step explanation:

45/36 was divided by 9 to get 5/4

7 0

3 years ago

A collection of coins consisting of nickels dimes and quarters amount to 7.20. There are six more dimes than nickels and six mor

monitta

Answer:

9 nickles

15 dimes

21 quarters

Step-by-step explanation:

Number of nickels = N

Number of dimes = D

Number of quarters = Q

The following system can be modeled based of the given information:

$0.05N+0.10D+0.25Q=7.20\\D=N+6\\Q=D+6$

Solving the system:

$D=N+6\\Q=N+6+6=N+12\\0.05N+0.10*(N+6)+0.25*(N+12)=7.20\\0.4N=7.20-0.6-3\\N=9\\D=9+6=15\\Q=15+6=21$

The collection consists of 9 nickels, 15 dimes and 21 quarters.

7 0

3 years ago