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Vikentia [17]
3 years ago
5

The arena car park is shown belowseveral triangular prisms the B or C? --------------------------- QUESTION 2 What is the volume

in metres of the speaker below? Volume of a cuboid: V = l x h x w ( SEE DIAGRAM) The volume of the speaker is ? m3? ------------------------------------ QUESTION 3: What is the missing width of the speaker below when its volume is 30,000 cm3 ? (SEE DIAGRAM) The missing width of the speaker is how many cms? ----------------------------------- QUESTION 4: The arena has several triangular prisms that are used as advertising boards. They are to be filled with sand so they cannot easily be moved. (SEE DIAGRAM) What is the volume of sand needed to fill one in m3?
Mathematics
1 answer:
Olenka [21]3 years ago
5 0

Answer:

The answer I think is C.

Step-by-step explanation:

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Please help!! it could go towards my gcses and i’m clueless
eimsori [14]

Answer:X=34

Step-by-step explanation:

ok it is easy

7 0
3 years ago
Determine the slope and y -intercept for each line shown. Then write the equation of the line (will give Brainliest)
Pavlova-9 [17]

Answer:

1.

y=\frac{1}{4}x+2

m= \frac{1}{4}

b= 2

2.

y=-\frac{1}{3}x+1

m= -\frac{1}{3}

b= 1

3.

y=3x+4

m= 3

b=4

Step-by-step explanation:

1. The line intersects the y-axis at the point (0,2) therefore its y-intercept is b=2.

The line rises up 1 unit on the y-axis for every 4 units on the x-axis therefore the line has a slope of m=1/4.

Considering the equation of a line (y=mx+b), we plug in the variables we have found into the formula to find that y=\frac{1}{4}x+2

2. The line intersects the y-axis at the point (0,1) therefore its y-intercept is b=1.

The line down up 1 unit on the y-axis for every 3 units on the x-axis therefore the line has a slope of m= -1/3.

Considering the equation of a line (y=mx+b), we plug in the variables we have found into the formula to find that    y=-\frac{1}{3}x+1

3. The line intersects the y-axis at the point (0,4) therefore its y-intercept is b=4.

The line rises up 3 units on the y-axis for every 1 unit on the x-axis therefore the line has a slope of m=3.

Considering the equation of a line (y=mx+b), we plug in the variables we have found into the formula to find that  y=3x+4

3 0
2 years ago
Which shows one way to determine the factors of x3 – 9x2 + 5x – 45 by grouping?
REY [17]
X³ - 9x² + 5x - 45

x²(x - 9) - 5(x - 9) ⇒ x³ - 9x² - 5x + 45 INCORRECT
x²(x + 9) - 5(x + 9) ⇒ x³ + 9x² - 5x - 45 INCORRECT

x(x² + 5) - 9(x² + 5) ⇒ x³ + 5x - 9x² - 45 CORRECT
It just needs to be rearranged.

x(x² - 5) - 9(x² - 5) ⇒ x³ - 5x - 9x² + 45 INCORRECT
4 0
4 years ago
True or false? In a two-column proof, the right column states your reasons
lisov135 [29]
It is true because right is the reasons and left are the statements.

Hope this helps :)
8 0
3 years ago
 Jack is a discus thrower and hopes to make it to the Olympics some day. He has researched the distance (in meters) of each me
meriva

X would be the number of years between 1920 and 1980:

1980-1920 = 60 years.

Replace x with 60 and solve:

Y = 0.34(60) + 44.63

Y = 20.4 + 44.63

Y = 65.03

Answer: 65.03 meters

7 0
3 years ago
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