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Olenka [21]
3 years ago
7

The triangles shown below must be congruent. A. True B. False

Mathematics
2 answers:
Digiron [165]3 years ago
8 0
True because yes yes yes yes yes
gizmo_the_mogwai [7]3 years ago
7 0
The answer is A. True,



Explanation: two figures are congruent if the are the same size and shape. Their corresponding angles and sides are equal.

Please mark brainliest :)
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Bella saw that 7 out of 11 people brought an umbrella to the beach. There were 99 people there. How many of them did NOT have a
Leokris [45]
That means that 4 out of 11 people did not have umbrellas
You can write this as a fraction so
4/11 = x/99
Then, multiply both sides by 99 to isolate the variable.
So x is going to equal 99 times 4 divided by 11, which is 36. That means 36 people did not have umbrellas.
8 0
3 years ago
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7х + 2y = -1<br> 3х — 4y = 19
Deffense [45]

Answer:

x = 1, y = -4

Step-by-step explanation:

7х + 2y = -1  ------ eq1

3х — 4y = 19 ------ eq2

multiply eq1 by 2

2 x (7х + 2y = -1)

14x + 4y = -2 -----eq3

by elimination, add equation 2 and 3

14x + 3x = 19-2

17x = 17  (divide both sides by 17)

x = 1  (answer)

substitute into eq1

7(1) + 2y = -1  (subtract 7 from both sides)

2y = -1 -7

2y = -8 (divide both sides by 2)

y = -8/2 = -4 (answer)

3 0
3 years ago
So this is wrong ? How do i fix it
Inga [223]

I think the 57 is an whole number.

5 0
4 years ago
Barry's family drove 843 miles to see his grandparents. On the first day, they drove 483 mi. On the second day, how long did it
IrinaVladis [17]

Answer:

on the second day it took them 6 hours to get to their grandparents' house

Step-by-step explanation:

First we have to calculate how many miles they had to drive the second day

For this we have to subtract from the total miles the number of miles they drove the first day

843 mi - 483 mi = 360 mi

To calculate the time it takes we have to divide the distance it has to travel by the average velocity at which they travel

v = 60 mi/h

d = 360 mi

t = d/v

t = 360(mi) / 60(mi/h)

t = 6 h

on the second day it took them 6 hours to get to their grandparents' house

5 0
3 years ago
How do you divide a whole number by a fraction​
lord [1]

Answer:Multiply the denominator on the bottom of the fraction by the whole number you are dividing by.

To divide a fraction by a whole number, multiply the bottom of the fraction by this whole number.

The denominator on the bottom of the fraction is 7.

We will multiply 7 by 2.

7 × 2 = 14 and so, 6 / 7 ÷ 2 = 6 / 14 .

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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