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Brrunno [24]
3 years ago
14

Help with 1 and 2 please!!! It's easy

Mathematics
1 answer:
s2008m [1.1K]3 years ago
4 0

1. Yes, because it can be written as a fraction.

2. No, because it cannot be written as a fraction.

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Please help me plz I need help
oksian1 [2.3K]

Answer:

a) Speed of the cyclist is (2.75/0.4) = <u>6.875 miles per hour</u>.

b) It will take (5.5/6.875) = <u>0.8 hours</u> to travel 5.5 miles at this rate.

  • Remember: Speed=Distance/Time
5 0
2 years ago
A pair of parallel lines is cut by a transversal as shown in the figure. Match the angles with their corresponding angles.
garri49 [273]
D and H are corresponding
G and C are corresponding
E and A are corresponding
B and F are corresponding
4 0
3 years ago
Read 2 more answers
The value of the definite integral / 212x – sin(x) dx / 122x-sin(x) is
blondinia [14]

Hi there!

\boxed{= 70 + cos(12) - cos(2) \approx 71.26}

\int\limits^{12}_{2} {x-sin(x)} \, dx

We can evaluate using the power rule and trig rules:

\int x^n = \frac{x^{n+1}}{n+1}

\int x = \frac{1}{2}x^{2}

\int -sin(x) = cos(x)

Therefore:

\int\limits^{12}_{2} {x-sin(x)} \, dx = [\frac{1}{2}x^{2}+cos(x)]_{2}^{12}

Evaluate:

(\frac{1}{2}(12^{2})+cos(12)) - (\frac{1}{2}(2^2)+cos(2))\\= (72 + cos(12)) - (2 + cos(2))\\\\= 70 + cos(12) - cos(2) \approx 71.26

3 0
3 years ago
Joe needs to buy supplies for a birthday party. At the store, balloons cost $0.50 each and party hats each cost $1.25. If Joe wa
VladimirAG [237]

Answer:

0.50b+1.25h=20

Step-by-step explanation:

Let b be the number of balloons and h be number of party hats.

We have been given that balloons cost $0.50 each, so cost of b balloons will be 0.50b.

We are also told that party hats each cost $1.25, so cost of h party hats will be 1.25h.

Further, Joe wants to spend exactly $20 on the party supplies. We can represent this information in an equation as:

0.50b+1.25h=20

Therefore, the equation 0.50b+1.25h=20 represents the number of balloons ( b) and the number of party hats ( h) that Joe can buy spending exactly $20.

5 0
3 years ago
At track practice, Coach Wilson told the team to split into groups of four for a special relay. The first runner had to run 1 la
amid [387]
You can multiply the number of laps each person ran by the yards in each lap and then add them together:

440 + 2(440) + 3(440) + 4(440)
= 440 + 880 + 1,320 + 1,760
= 4,440 yards

Or you can add the laps first, then multiply by the yards in each lap
(1 + 2 + 3 + 4)(440)
= 10 x 440
= 4,400 yards
7 0
3 years ago
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