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skad [1K]
3 years ago
10

These are so hard please help me and answer the last 4 I posted

Mathematics
2 answers:
marissa [1.9K]3 years ago
7 0
The first thing you should know is that the rate of each one is:
 Kaitlyn = 1/6
 Mark = 1/8
 Then,
 d = number of days.
 The equation then if they work together is:
 1 / 6d + 1 / 8d = 1
 answer:
 the equation for number of days it would take to build the sheld together is
 1 / 6d + 1 / 8d = 1
Tcecarenko [31]3 years ago
5 0
Kai:
6 days = 1 shed
1 day = 1/6 shed

Mark:
8 days = 1 shed
1 day = 1/8 shed

Together:
1 day = 1/6 + 1/8 shed 

Ans: 1/6d + 1/8d = 1

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You are driving home on a weekend from school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arri
Gemiola [76]

SOLUTION:

If you drive at 55 mi/h for 110 miles, this means you drovefor 110 / 55 = 2 hours

Your total driving time is 4 hours and 15 minutes which meansthat you drove 2 and 15 minutes at the rate of 35 mi/h

2 hours and 15 minutes = 2×60 + 15 = 135minutes

35 miles / 60 minutes × ( 135 minutes) = 78.75miles

So total miles driven is 78.75 + 110 =188.75 miles

6 0
3 years ago
How can you use two-way tables to solve for probabilities?
Alona [7]

Answer:

A two-way table is a way to organise data about two specific variables. This example shows a two-way table where the variables are gender and favourite sport.

Step-by-step explanation:

8 0
3 years ago
How do you know whether a number is a multiple of another number
vovikov84 [41]
You would know when one number is also a multiple when the other number is a factor of it as well. For example when we see a prime number like 2, there are  no factors for this number so it is just a multiple of 1 and 2. 
However for numbers like 15 and 25.
We would know ( if you have your times tables memorized) that 15 is a multiple of 1,3, and 5 and 15. 25 is a multiple of 1, 5, and 25. 
3 0
3 years ago
I need help asap pleasee
AysviL [449]
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6 0
3 years ago
Read 2 more answers
20 points!!!<br> volume of a cylinder problems please help
balandron [24]

Answer:

Step-by-step explanation:

Part A

The formula for determining the volume of a cylinder is expressed as

Volume = πr²h

Where

r represents the radius of the cylinder.

h represents the height of the cylinder.

π is a constant whose value is 3.14

1) radius = diameter/2 = 4/2 = 2 inches

Volume = 3.14 × 2² × 10 = 125.6 inches³

2) Volume = 3.14 × 20² × 50 = 62800 cm³

3) radius = 16/2 = 8 mm

Volume = 3.14 × 8² × 10 = 2009.6 mm³

4) Volume = 3.14 × 9² × 9 = 2289.06 ft³

Part B

The formula for determining the volume of a sphere is expressed as

Volume = 4/3πr³

Where

r represents the radius of the sphere.

5) Volume = 4/3 × 3.14 × 5³ = 523.3 cm³

6) radius = 24/2 = 12 inches

Volume = 4/3 × 3.14 × 12³ = 7234.56 inches³

7) Volume = 4/3 × 3.14 × 1³ = 4.2 ft³

8) radius = 42/2 = 21 mm

Volume = 4/3 × 3.14 × 21³ = 38772.72 mm³

6 0
4 years ago
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