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3 years ago

-20+8 on a number line model

Mathematics

1 answer:

Butoxors [25]3 years ago

6 0

Answer: read my explaining

Step-by-step explanation:

just go from negative to positive 8 times and then mark it on the line

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Find the measure of angle C of a triangle ABC if measure of angle a = 24 degrees and measure of angle b = 130 degrees

pickupchik [31]

26 degrees.
For any regular convex polygon with n sides, the sum of all its interior angles will be (n-2)*180.
Using this we know that the sum of all the angles will be 180 degrees.
24+130+x=180
154+x=180
x=26

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3 years ago

Help me plz answer if know don’t answer for points

Mashutka [201]

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3 years ago

2/7 divided by 1 2/7

LekaFEV [45]

Answer: 0.22

Step-by-step explanation:

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3 years ago

On a particular day, the wind Added 4 miles per hour to Alfonso’s rate when he was cycling with the wing and subtracted 4 miles

Leona [35]

Answer:

Step-by-step explanation:

Alright, lets get started.

We first assume that Alfonso's bicycling speed with no wind is = x miles per hour

With the wind, his speed will be = $(x+4)$ miles per hour

Against the wind, his speed will be = $(x-4)$ miles per hour

For traveling 54 miles with the wind, the time will be = $\frac{54}{(x+4)}$

For traveling 30 miles against the wind, the time will be = $\frac{30}{(x-4)}$

Alfonso found that both the timings are same, so

$\frac{54}{(x+4)}=\frac{30}{(x-4)}$

Cross multiplying

$54*(x-4) = 30 * (x+4)$

$54x - 216 = 30x + 120$

Solving for x

$54x - 30 x = 120 + 216$

$24x = 336$

Dividing 24 in both sides

$x = 14$

So, Alfonso's normal bicycling speed with no wind is 14 miles per hours. : Answer

Hope it will help :)

8 0

3 years ago

Which is a true statement?

Galina-37 [17]

As a negative number cannot be larger than a positive number, the answer is not A.
6.52 is larger than 6.5 so it cannot be B.
A smaller negative number is larger than a big negative number so the answer is not C.

The answer is D. as -2.8 is larger than -3.5

6 0

3 years ago

Read 2 more answers