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3 years ago

14

If AB=4.7 and BD =10.6 cm, what is the length of CD?

1 answer:

solmaris [256]3 years ago

6 0

It would be 16.5 because each one them adds with 5.9 in them

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2. Wilton drives a taxicab. He charges $40 per hour. One passenger gave Wilton a tip of $30. Write an expression to represent th

ICE Princess25 [194]

Hopefully this is the correct answer! but your expression would be: y=40x+30
and if he drove for 5hrs then you would plug in 5 for your x value so it would be y=40*5+30 and 40*5 is 200.(the star means multiplying) then add 30 to get a total of $230
so the expression is: y=40x+30
and if he drove for 5hrs then he sould make a total of: $230
hopefully that helped and was the right answer :)

3 0

3 years ago

Read 2 more answers

a baseball team won two out of their last four games. in how many different orders could they have two wins and two losses in fo

iren [92.7K]

$2 \times 3 = 6 \times 2 = 12$
12

4 0

3 years ago

Suppose an astronaut can jump vertically with an initial velocity of 5 m/s. The time that it takes him to touch the ground is gi

Vitek1552 [10]

Answer:

$t=1.020s$

Step-by-step explanation:

Given Equation:

$5t-0.5at^{2} =0$

Actually the given equation is the 2nd equation of motion

i.e. $S =V_{i} t+0.5at^{2}$

where $S=0$ because the astronaut jumps on the earth

and initial velocity $V_{i}=5$

to find time $t$ , put the given value of $a=9.8m/s^{2}$ in the given equation, we get

$5t-0.5(9.8)t^{2} =0\\t(5-4.9t)=0\\ \ dividing\ both\ sides\ by\ t\ we \ get\\ 5-4.9t=0\\4.9t=5\\t=\frac{5}{4.9}\\ t=1.020s$

it will take $t=1.020s$ to reach the ground if he jumps on the Earth

3 0

3 years ago

Justin needs to earn a score of more than 80 on his next math test to earn a B for the semester. Which inequality shows the grad

zvonat [6]

Answer:

b

Step-by-step explanation:

Justin's score has to be greater than 80. the appropriate inequality sign is >

Note that

> means greater than

< means less than

≥ means greater than or equal to

≤ less than or equal to

On the number line, since the score has to be greater than 80, the line would start from 80 and end on 95

> or < is represented by unfilled circle

≤ or ≥ is represented by filled circle

6 0

3 years ago

Find the compound interest on 30,000 for 2years at 7 percent per annum

hjlf

Answer:

34347

Step-by-step explanation:

Use the formula s=p(1+r/k)^kt

p=30000

r=7% (interest)

k=1 (because of per annum)

t= 2 (years)

Hence: 30000(1+0.07/1)^1(2) = 34347

7 0

2 years ago