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Vlada [557]
3 years ago
13

Perform the indicated operation. -6 + (-5) + 7

Mathematics
2 answers:
olga2289 [7]3 years ago
5 0

the answer to this problem is -4

ArbitrLikvidat [17]3 years ago
4 0

the answer should be-4


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(Complex Numbers)
marta [7]

Answer:

just saying I'm hosting a google meet if you wanna join lol

6 0
3 years ago
HELPPP ILL GIVE 70 POINTS!!!!!
MrRissso [65]

Answer:

It will take 4.71 hours to travel a distance of 221.43 miles

Step-by-step explanation:

Given

Distance covered in time 7.99 hours is  375.32 miles.

Now we know that speed is equal to distance per unit time.

Therefore,

speed = \frac{distance}{time} \\= \frac{375.32}{7.99}\\=46.97\ mi/h

Which is the constant speed, hence now time taken for a distance of 221.43 miles will be

time = \frac{distance}{speed} \\=\frac{221.43}{46.97} \\=4.71\ h

Therefore, the time taken to cover 221.43 miles is 4.71 hours.

6 0
3 years ago
A triangle has a right angle and an acute angle of 51 degree's and X. What is X? (Number Only)
Diano4ka-milaya [45]

Answer:

39°

sum of triangle's interior angles: 180°

180°-90°-51°=39°

6 0
3 years ago
A section of road covers 18.3 square feet. Each square foot will require 5.1 minutes to repair. How many total minutes will it t
geniusboy [140]

All you have to do is multiply 18.3 x 5.1

18.3×5.1=93.33

It will take 93.33 minutes to repair the entire section. Hope that helps!

8 0
3 years ago
Read 2 more answers
Write an equation (any form) for the quadratic graphed below. Y=
Licemer1 [7]

Answer:

y = -2x^2 - 4x - 1

Step-by-step explanation:

We can see that the graph passes through (-2, -1), (-1, 1) and (0, -1).

Let's solve

ax^2 + bx + c = y

a(-2)^2 + b(-2) + c = -1

4a - 2b + c = -1

a(-1)^2 + b(-1) + c = 1

a - b + c = 1

a0^2 + b0 + c = -1

c = -1

we got c = -1 so we input it into the other 2

4a - 2b - 1 = -1

4a - 2b = 0

2a - b = 0

2a = b

a - b - 1 = 1

a - b = 2

a = b + 2

Let's input b = 2a

a = 2a + 2

-a = 2

a = -2

b = 2a = 2*(-2) = -4

c = -1

y = -2x^2 - 4x - 1

4 0
3 years ago
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