Explain how you could use a number line to solve 70-50

Answers

Answer 1

Answer: You can use a number line to to solve this problem by moving the places

Answer 2

Answer: So you would make your number line from 0 to 100 and each step on the number line would be 10. So go to 70 and count the number of steps needed to get to 50. Then take that number (2) and multiply it by 10 because each step was 10. So the anwser is 20

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Darnell wrote this expression to describe the number of bus rides he has left on his bus pass. p – 12 Which situation could be described by this expression? A. Darnell does not know the total number of rides he gets on the bus pass. He does know that he has used 12 rides so far. B. Darnell does not know how many rides he has already used. He knows he has 12 bus rides left on the bus pass. C. Darnell does not know how many rides he has left on the bus pass. He knows it is 12 fewer rides than he has already used. D. Darnell does not know how many bus rides he has left on the bus pass. He knows that he gets a total of 12 rides on the bus pass.
What is the GCF of 44j5k4 and 121j2k6? 4j3k2 4j2k4 11j3k2 11j2k4
A restaurant recorded the number of green salads ordered during lunchtime for five weekdays.What was the mean of the number of green salads ordered each day? Day Number ordered: Monday 15 Tuesday 23 Wednesday 14 Thursday 17 Friday 21
(3+(16+8)divided by 8)times 7
A student thinks the sum of 4.3 and 8.4 is 12.7 because 4+8 is 12 and 3+4 is 7. The student then adds 3.7 and 2.6, then gets 5.13 because 3+2 is 5 and 6+7 is 13. Identify the mistake in the students procedure and explain why the procedure won't always work.

Which number has a 3 with a value 1/10 the value of the 3 in 3.01

Answers

it will be 3 in 3.01 because it is rounded?????

Final answer:

The number that has a 3 with a value of 1/10 the value of the 3 in 3.01 is 0.3.

Explanation:

The number being asked for is one where the 3 is positioned one decimal place further to the right than it is in the number 3.01, making its value 1/10 the value of the 3 in 3.01. This is interpreted to mean the 3 is place in the tenths position, rather than in the ones position as it is in 3.01. So, the number is 0.3.

To understand why, consider that in the number 3.01, the 3 is in the ones place. Hence it has a value of 3 * 1 = 3. However, in the number 0.3, the 3 is in the tenths place, which gives it a value of 3 * 0.1 = 0.3, which is 1/10 the value of 3.

Learn more about Place Value here:

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Two spinners are spun at the same time in a board game. Carrie listed all the possible outcomes for the two spinners above. A1, C2, B1, C1, A2. Which outcome is missing from her list?

Answers

Answer:

Step-by-step explanation:

The missing outcome is B2

F(x) 2x^3 -9x^2-6x+40

Answers

Answer:

(x+2)*(2x-5)*(x-4)

I think this is the answer

Step-by-step explanation:

Answer: -2

Step-by-step explanation:

Got it right on Edge

Jack and Rock agree to meet in London for the weekend. Jack travels 164 miles and Rock travels 106 miles. If Jacks rate of speed is 8 mph faster than Rock’s then at what rate of speed does Jack travel?

Answers

$v=(s)/(t)\n\nv-velocity;\ s-distance;\ t-time\n\nv=(s)/(t)\to vt=s\to t=(s)/(v)\n---------------------\nv-Rock's\ veloocity\ (mph)\nv+8-Jack's\ velocity\ (mph)\ns_J=164\ mi-Jack's\ distance\ns_R=106\ mi-Rock's\ distance\nt_J=t_R-times\ are\ equal\n\ntherefore:(s_R)/(v)=(s_J)/(v+8)\n\nsubtitute\ values\ of\ distance:$

$(106)/(v)=(164)/(v+8)\ \ \ \ |cross\ multiply\n\n106(v+8)=164v\n\n106v+848=164v\ \ \ \ |subtract\ 106v\ from\ both\ sides\n\n848=58v\to 58v=848\ \ \ |divide\ btoh\ sides\ by\ 58\n\nv\approx14.6\ (mph)\n\nAnswer:\boxed{v+8=(14.6+8)mph=22.6\ mph}$

What is the surface area of the rectangular pyramid shown? 59.5 cm2 63 cm2 75.5 cm2 99 cm2

Answers

Answer:

Option D.

Step-by-step explanation:

In this question figure of pyramid is attached below the question .

Surface area of the rectangular pyramid :

Area of the Base = Length × Width

= 10 × 2 = 20 cm²

Area of Lateral #1 = $(1)/(2)(P)(L)$

= $(1)/(2)(10*6.3)$

= 31.5 cm²

Area of Lateral #2 = $(1)/(2)(8* 2)$

= $(16)/(2)$

= 8 cm²

Surface area of the pyramid = 20 + 2(31.5) + 2(8)

= 20 + 63 + 16

= 99 cm²

Surface area of the pyramid is 99 cm²

Answer:

99cm2

Step-by-step explanation:

What do they mean by this!?!?!? I didn't learn this yet.... I think .......... look at the picture

Answers

So to decompose means to break down. They may be talking about breaking up the number by what "place" it's in.

example given:
1,239 = 1,000 + 200 + 30 + 9

it means to break down the number 20

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