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lapo4ka [179]
4 years ago
11

On

Mathematics
1 answer:
Marina86 [1]4 years ago
7 0
Hello Brainic!
t45 means the unknown number (t) ×45
if you need support
There's a website called khanacademy
Good luck!
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Noa drove from the Dead Sea up to Jerusalem, and her altitude increased at a constant rate of 740 meters per hour. When she arri
svetlana [45]
Hmm, so

A(t)=740t+a₀
where a₀ is initial height or the height she started at

we want to find her initial height

after 1.5 hours, she was 710 meters above sea levl
alright
A(1.5)=740(1.5)+a₀=710
740(1.5)+a₀=710
1110+a₀=710
minus 1110 both sides
a₀=-400


so she stared at -400 meters below sea level

and the equation would be (or function)
A(t)=740t-400
7 0
4 years ago
Read 2 more answers
The scale factor of figure JKLMN to figure PQRST is 3:2. If KL = 9 cm and MN = 15 cm, what is the length of side ST?
Lina20 [59]
Since the scale factor is 3:2, and MN is 15, we can solve this.

The answer is 10.
7 0
4 years ago
A large adult kangaroo can have a mass of 90,000 grams. How many kilograms is it. (1g =1,000g)
liubo4ka [24]
1kg=1,000g!!!\\\\therefore\ 1g=\frac{1}{1,000}kg=0.001kg\\--------------------\\90,000g=90,000\cdot0.001kg=\boxed{90kg}\\\\Answer:\boxed{\boxed{90,000g=90kg}}
3 0
3 years ago
Read 2 more answers
Amanda can jog 181818 miles in 555 hours.
qwelly [4]

Answer:

145454.4

Step-by-step explanation:

Divide 181818 by 555, then multiply the answer by 444.

4 0
3 years ago
Joe’s age is three times Aaron’s age and Aaron is six years older than Christina. If the sum of their ages is 149, what is Chris
Leno4ka [110]

<u>Answer</u>

If Christina's age is = x

Aaron's age is = x + 6

Jeo's age = 3(x + 6 )

So, the sum of their ages can be write as,

x + x + 6 + 3(x + 6) \\ x + x + 6 + 3x + 18 \\ 5x + 24

Also, they have given that the sum of their ages is 149

Therefore we can write a equation as,

5x + 24 = 149

Now let's solve this and find the age of Christina

5x + 24 = 149 \\ 5x = 149 - 24 \\ 5x =12 5 \\  \frac{5x}{5}  =  \frac{125}{5}  \\ x = 25

Aaron's age is

x+ 6 \\ 25 + 6 \\  = 31

Joe's age is

3(x + 6) \\ 3(25 + 6) \\ 3 \times 31 \\  = 93

Hope this helps you.

Let me know if you have any other questions :-):-)

8 0
3 years ago
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