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CaHeK987 [17]
3 years ago
10

On a number line what does it mean when it said find the ratio of DH to CE when D=30 H=70 C= 20 and E= 40

Mathematics
1 answer:
puteri [66]3 years ago
7 0

Answer:

Multiply the number and divide by how many numbers were added

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Which is greater 6 kilometets or 600 cm
Luba_88 [7]

Answer:

6km>600cm

Step-by-step explanation:

to compare we can bring to the same unit

we can convert to meters

600cm=6m

6km=6000m

6000m>6m

6km>600cm

8 0
3 years ago
Read 2 more answers
I need help with this math problem please.
goldfiish [28.3K]

Answer:

the 3rd one matches the number line

Step-by-step explanation:

the pointy part of the sign shows which way the line will go. if it has the line under the sign the dot on the number line is solid if not solid then it won't have a line

5 0
4 years ago
Rafael races his bicycle for
pychu [463]
Distance traveled = 70 m
Number of rotations = 29

We know, Circumference * Number of rotations = Distance traveled
So, C = 70 / 29
C = 2.41 m

Now, we know, diameter = C / π
So, d = 2.41/3.14 = 0.768

In short, Your Answer would be: 0.8 m

Hope this helps!
6 0
3 years ago
Read 2 more answers
A) Find the average rate of change of the area of a circle with respect to its radius r as r changes from 4 to each of the follo
Black_prince [1.1K]
Area = π x radius²
dA/dr = 2πr
Average rate of change = (rate of change at one instant + rate of change at other instant)/2
= (2πr₁ + 2πr₂)/2
= (r₁ + r₂)π
Ai) 9π
Aii) 8.5π
Aiii) 8.1π

B) Instantaneous change:
(dA/dr) at (r = 4) = 2π(4)
= 8π
7 0
3 years ago
I need help please help
saveliy_v [14]

Answer:(0,6)

Step-by-step explanation:

Solve for Y if X =0

y=2x+6

Y=2(0)+6

Y=6

3 0
3 years ago
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