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dimaraw [331]
2 years ago
10

What is the value of this expression? [2x(3x5)+6]x4

Mathematics
2 answers:
VMariaS [17]2 years ago
3 0

Answer:

144

Step-by-step explanation:

(2*(3*5)+6)*4:

First, we simplify the 3*5.

(2*(15)+6)*4

Next, we multiply by 2.

(30+6)*4

We add the six now.

36*4

Finally, we multiply.

<h2><em><u>144</u></em></h2>
Furkat [3]2 years ago
3 0

ur mum :) and pls answerrrrrrrrrrrrr

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I need this done thanks
aleksandr82 [10.1K]

Answer: Choice B

(-1,0), (-1,-2), (-3, -1), and (-3, -2)

============================================================

Explanation:

Let's focus on the point (2,0)

If we shift it 3 units to the left, then we subtract 3 from the x coordinate to get 2-3 = -1 as its new x coordinate. The y coordinate stays the same.

That means we move from (2,0) to (-1,0)

Based on this alone, choice B must be the answer as it's the only answer choice that mentions (-1,0).

If you shifted the other given points, you should find that they land on other coordinates mentioned in choice B.

8 0
2 years ago
One side of a triangle is 2 times the second side. The third side is 5 ft longer than the second side. The perimeter of a triang
TiliK225 [7]

Answer:

The length of each side of triangle are 19 ft, 24 ft and 38 ft.

Step-by-step explanation:

Let the length of second side be x.

Now given:

Length of first side is 2 times length of second side.

Length of first side = 2x

Also, Length of third side is 5 ft longer than the second side.

Length of third side = 5+x

Perimeter of triangle = 81 ft.

We need to find the length of each side.

Now perimeter of triangle is sum of all three sides of triangle.

Therefore;

Perimeter of triangle =  Length of first side + length of second side + Length of third side.

2x+x+5+x=81 ft\\4x+5=81ft\\4x= 81 -5 ft\\4x = 76ft\\x= \frac{76}{4} = 19 ft

Length of Second Side = 19 ft.

Length of First side = 2x= 2\times19 = 38 ft

Length of Third side = 5+x= 5+19=24ft

Hence the Length of triangles are 19 ft,38 ft,24 ft.

3 0
3 years ago
What is the answer to this equation -7 c + 2 = 16?
Lelechka [254]

Answer:

c=-2

Step-by-step explanation:

Equation: -7c+2=16

-7c=16-2

-7c=14

c=14/-7

c=-2

6 0
3 years ago
Read 2 more answers
Saige's spaceship traveled 588 588588 kilometers ( km ) (km)left parenthesis, start text, k, m, end text, right parenthesis in 6
pshichka [43]

Answer:

The first ship has the same speed as Saige's ship while the second and third do not have the same speed.

Step-by-step explanation:

d = Distance traveled by Saige's spaceship = 588 km

t = Time taken = 60 seconds

Speed is given by

s=\dfrac{d}{t}\\\Rightarrow s=\dfrac{588}{60}\\\Rightarrow s=9.8\ \text{km/s}

The other ships

s=\dfrac{441}{45}=9.8\ \text{km/s}

s=\dfrac{215}{25}=8.6\ \text{km/s}

s=\dfrac{649}{110}=5.9\ \text{km/s}

So, the first ship has the same speed as Saige's ship while the second and third do not have the same speed.

8 0
2 years ago
A trapezoid has a bases 15.5 cm and 22.5 cm. The area of the trapezoid is 361 m². What is the height of the trapezoid?
umka21 [38]
The answer is 1900m
3 0
3 years ago
Read 2 more answers
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