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Ksenya-84 [330]
3 years ago
5

Which ones are false and which are true

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

i know the answer for question 8 & 9

8) Volume is the amount of space a 3D shape takes up.

A cubic cm block takes up 1 cubic cm. This is written as 1 cm³.

You can work out the volume of a shape by multiplying height × width × depth.

If the shape is made of cubic cm blocks, you can count the cubes to find the shape's volume.

9) The face or surface of a solid on its sides. That is, any face or surface that is not a base. See also. Lateral surface area, prism, pyramid, cone, cylinder.

- i hope this helps

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I MARK BRAINLIEST AGAIN IF U HELP ME
REY [17]
3 5/8 x 2 1/2 x 4 = 36 1/4
5 0
3 years ago
Determine and state the maximum error of the function G(x,y,z)=20 ln⁡(xyz^2 ) using differentials when (x,y,z)=(2,3,4) and given
Leona [35]

Answer:

The maximum error in the function G, ΔG = ±4

Step-by-step explanation:

G(x,y,z) = 20 In (xyz²)

Total or maximum error for a multi-variable function is given by

ΔG = (∂G/∂x) (Δx) + (∂G/∂y) (Δy) + (∂G/∂z) (Δz)

(∂G/∂x) = 20yz²/xyz² = 20/x

(∂G/∂y) = 20xz²/xyz² = 20/y

(∂G/∂z) = 40xyz/xyz² = 40/z

Δx = ±0.10

Δy = ±0.15

Δz = ±0.20

ΔG = (∂G/∂x) (Δx) + (∂G/∂y) (Δy) + (∂G/∂z) (Δz)

ΔG = (20/x) (0.10) + (20/y) (0.15) + (40/z) (0.2)

At the point (x,y,z) = (2,3,4)

ΔG = (20/2) (0.10) + (20/3) (0.15) + (40/4) (0.2) = 10(0.10) + 20(0.05) + 10(0.2) = 1 + 1 + 2 = 4

ΔG = ±4

6 0
3 years ago
What is an equation of the line that is parallel to y=4x−10 and passes through (1, 13) ? Enter your equation in the box.
Evgen [1.6K]

y = 4x−10 ; slope m = 4

Parallel has same slope so slope of new line = 4

y = 4x + b

b = y - 4x

Passes through (1, 13)

b = 13 - 4(1)

b = 13 - 4

b = 9

Equation

y = 4x + 9

3 0
3 years ago
A baseball player throws a 95mph fastball straight up into the air. The position equation, which gives the height of the ball at
Lana71 [14]
Set s(t) = 0 which means it hits the ground.  The formula doesn't fit the parameters given as it shows that the pitcher is standing on something 37 feet high.
<span>s(t)=-16t^2+140t+37 and has an initial velocity of 140.
Graphing or solving this, t= 9 seconds when it hits the ground.
The velocity V(t) is the derivative of s(t)
V(t) = -32t+140
V(9) = -148 ft/second which is going down
</span>
3 0
3 years ago
larry and time were standing next to each other in the backyard when Tom challenged Larry to guess how tall he is. Larry knee hi
MrRissso [65]

Answer:

6.3 feet

Step-by-step explanation:

Let the height of Tom be x feet.

Let h_{L} be height of Larry,  s_{L} be shadow height of Larry and  s_{T} be shadow height of Tom.

As per question,

h_{L}=6.5\textrm{ ft}\\s_{L}=8\textrm{ ft}\\s_{T}=7.75\textrm{ ft}

As both Tom and Larry are standing next to each other,

So, the ratio of height of Tom to that of Larry will be equal to the ratio of shadow height of Tom to that of shadow height of Larry.

\frac{x}{h_{L}}=\frac{s_{T}}{s_{L}}

Now, plug in the values and solve for x.

\frac{x}{6.5}=\frac{7.75}{8} \\ x=\frac{7.75}{8}\times 6.5=6.3

Therefore, the height of Tom is 6.3 feet.

3 0
4 years ago
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