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Mumz [18]
3 years ago
10

Can you help me on B and C! plz help me

Mathematics
1 answer:
Gre4nikov [31]3 years ago
6 0
B is 4 times 3 is twelve so the equation would be shape number times 3 equals the number of toothpicks. C is you could write it as number of toothpicks divided by 3 equals the shape number. I'm not sure tho
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There is a spinner with 12 equal areas, numbered 1 through 12. If the spinner is spun one time, what is the probability that the
tresset_1 [31]

Answer:

1/12

Step-by-step explanation:

multiple of 3 and a multiple of 4 implies it can only be 12.

Since you only have the numbers from 1 to 12,

the prob(the 12) = 1/12

4 0
3 years ago
A Chemist needs to mix a 20% acid solution with a 50% acid solution to obtain 15 liters of a 34% acid solution. How many liters
Nuetrik [128]

8 litres (amount of 20% solution needed) and 7 litres for (amount of 50% solution needed)

<u>Step-by-step explanation:</u>

Let consider ‘x’ for 20% acid solution and (15 – x) for 50% acid solution. And so, the equation would be as below,

                         20% in x + 50% in (15 – x) = 15 litres of 34%

Convert percentage values, we get

                              0.20(x) + 0.50 (15 – x) = 15 (0.34)

                              0.20 x + 7.5 – 0.50 x = 5.1

                              -0.3 x + 7.5 = 5.1

                              0.3 x = 7.5 – 5.1

                              0.3 x = 2.4

x = \frac{2.4}{0.3} = 8 litres (amount of 20 \% solution needed)

Apply ‘x = 8’ value in (15 – x) we get,

                         15 – 8 = 7 litres

The value of 7 litres for (amount of 50% solution needed)

8 0
3 years ago
Please help with questions<br> 1d) and 1e)<br><br> Any help is much appreciated thanks
Anestetic [448]

Answer:

1d 6.742     1e 6

Step-by-step explanation: By sketching out the graph you can see the positive x intercept to find 1d

You can also replace h with 25 and isolate t to find 1e

5 0
2 years ago
2000x100 guesss yall
Svet_ta [14]

Answer:

200,000

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
-5: -2; 1;<br><br>write the next 3 terms​
Nataly_w [17]

Answer:

Next 3 of the sequence are 4, 7, 10

You are adding by 3.

-2 - -5= 3

-2 + 3=1

1+3=4

4+3=7

7+3=10

5 0
3 years ago
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