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Oxana [17]
3 years ago
11

-7 \times (7 + 9)−7×(7+9)

Mathematics
1 answer:
prisoha [69]3 years ago
8 0

Answer:

−224

Step-by-step explanation:

−7(7+9)−7(7+9)

=(−7)(16)−7(7+9)

=−112−7(7+9)

=−112−(7)(16)

=−112−112

=−224

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Sunny_sXe [5.5K]

distance= rate ÷ time

time= rate ÷ distance

time= 200 km/hr ÷ 1400 km

time= 1/7 hr or 0.1428... hr

4 0
3 years ago
The equation x 2y = 16 is in standard form. what is the slope of the line? â€""2 â€""1 â€""0.5 0.5
Savatey [412]

By rewriting the given line, we can see that the slope is equal to -1/2 or -0.5

<h3>How to get the slope of the given line?</h3>

Remember that a line is:

y = a*x + b

Where a is the slope and b is the y-intercept of the line, which is the point where the line intersects the y-axis.

Then, we can rewrite our equation:

x + 2y = 16

to:

2y = 16 - x

y = (16 - x)/2

y = (-1/2)*x + 8

Comparing with the general line equation, we can see that the slope is -1/2.

If you want to learn more about linaer equations:

brainly.com/question/1884491

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3 0
2 years ago
What does 3,146 round to nearest thousand
Lisa [10]
3 is in the thousands
so the answer is 3000
4 0
3 years ago
Evaluate each expression x=-3,y=6,z=-4what is x+y+(-1)
Alex_Xolod [135]

substitute the numbers.

-3 + 6 - 1

= 2

8 0
3 years ago
If the altitude is √7, find the volume. 36√7 cu. units 18√7 cu. units 12√7 cu. units
rosijanka [135]

Answer:

Volume = 12\sqrt{7} cubic units

Step-by-step explanation:

Volume of the square pyramid is given as ⅓*area of base*height of pyramid.

Where,

Area of base = 6*6 = 36

Height of pyramid = altitude = \sqrt{7} units

Plug the values into the formula to find volume.

Volume = \frac{1}{3}*36*\sqrt{7}

Volume = 12*\sqrt{7}

Volume = 12\sqrt{7} cubic units

8 0
3 years ago
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