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dimulka [17.4K]
2 years ago
6

How do I do that I need desperat help pls

Mathematics
1 answer:
Oksanka [162]2 years ago
6 0

9 because 12 + is greater than/equal to 9+3

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Please help I will mark previous
yawa3891 [41]

Answer:

Im sorry! idk the answer but if you have a phone, there is this app called photo math, or ask you mom or dad for help.

Step-by-step explanation:

8 0
3 years ago
Aaron claims the same answer could also be found by adding either –5 + 3 or –3 + 5.
Debora [2.8K]

Answer:

Step-by-step explanation:

-5 + 3 = -2  -5 is larger

5 + (-3) = 2   5 is larger

2 is larger than -2

8 0
3 years ago
Read 2 more answers
The sum of two consecutive integers is 59. Write an equation that
nata0808 [166]
Let the smaller of the two numbers be x. Therefore the larger number is 1 bigger, x+1.

x + (x + 1) = 59
We can solve this equation for x, which will be one of our two numbers.
2x + 1 = 59
2x = 58
x = 29
Now that we've found x, we can find x + 1. In this case, x + 1 = 29 + 1 = 30.
Therefore, the two numbers are 29 and 30.
5 0
3 years ago
Read 2 more answers
a girl wants to count the steps of a moving escalator which is going up. if she is going up on it, she counts 60 steps. if she i
Leto [7]

Let

x--------> the speed of the girl in step

y--------> the speed of the escalator in step

d------> the distance between ground and floor.

we know that

speed=\frac{distance}{time} \\ \\ time=\frac{distance}{speed}

when the girl is going up on escalator

x-y=\frac{d}{60} ----> equation 1

when the girl is going down on escalator

x+y=\frac{d}{90} -------> equation 2

Adds equation 1 and equation 2

2x=\frac{d}{60} +\frac{d}{90} \\ \\ 2x=\frac{5}{180} d

x=\frac{5}{360}d --------> equation 3

Time to climb (in step) with y=0 (escalator standing still)

x*t=d\\\\ t=\frac{d}{x} -----> equation 4

Substitute equation 3 in equation 4

t=\frac{d}{\frac{5d}{360}}  \\ \\ t=\frac{360}{5} \\ \\ t=72 steps

therefore

the answer is

72 steps

5 0
3 years ago
Read 2 more answers
Find the difference.<br> 100 – (-87)
Firlakuza [10]

Answer: 187

Step-by-step explanation:

negative cancels negative so that will turn to positive. (-) x (-) = +

100- (-87)

=

100 + 87

= 187

5 0
3 years ago
Read 2 more answers
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