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Kitty [74]
3 years ago
10

If you add the digits in a two-digit number and multiply the sum by 7, you get the original number. If you reverse the digits in

the two-digit number, the new number is 18 more than the sum of its two digits. What is the original number?
Mathematics
1 answer:
erik [133]3 years ago
8 0
I got 42.......................

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Pete the penguin loves to self down his favorite hill.If he hits a speed of 50m/s after 5 seconds,what is the acceleration
Vilka [71]
I have to admit I don't know what exactly you are asking, but I think this is it: 10m/s.
Divide m/s by time.
8 0
4 years ago
Logan wants to have $130,000 to pay for a surgery on his retractable forearm claws in 30 months. If he can invest money in an ac
dangina [55]

Answer: $107,836.69 or about $107,837 (to the nearest dollar)

Step-by-step explanation:

Formula to the  accumulated amount received after investing principal amount (P) at rate of interest (r) compounded monthly for t months :

A=P(1+\dfrac{r}{12})^{t}

As per given , A = $130,000

r= 7.5% = 0.075

t= 30 months

Now,

130000=P(1+\dfrac{0.075}{12})^{30}\\\\\Rightarrow 130000=P(1+0.00625)^{30}\\\\\Rightarrow 130000=P(1.00625)^{30}\\\\\Rightarrow 130000=P \times1.20552661036\\\\\Rightarrow\   P=\dfrac{130000}{1.2055266}=107,836.69

Hence he need to invest $107,836.69 .

8 0
4 years ago
Find the value of X, rounded to the nearest tenth. <br> A. 31.8<br> B. 31.4<br> C. 10.3<br> D. 10.7
Alenkinab [10]

Answer:

B. 31.4

Step-by-step explanation:

To find x, the hypotenuse, we need to use sin because we have been given the <u>opposite</u> (the side opposite the angle 35°) and we need to work out the <u>hypotenuse</u> (the longest or <em>slanted</em> side):

SOH, CAH, TOA

sin(θ) = opposite ÷ hypotenuse

Sub in the values (we don't know the hypotenuse so i've called it x):

sin(35) = 18 ÷ x (multiply both sides by x)

x × sin(35) = 18 (divide both sides by sin(35))

x = 18 ÷ sin(35) = 31.38204...

x ≈ 31.4

Hope this helps!

7 0
2 years ago
Read 2 more answers
In Kayllie'srecipe for lemonade, the ratio of lemons to water is 7 to 4. People are complaining that the lemonade is too weak. W
N76 [4]

Answer:

C

Step-by-step explanation:

Here are the options to this question :

A) 5 to 3

B) 7 to 5

C) 8 to 4

D) 8 to 5

The proportion of lemons in the lemonade is 7 while the proportion of water in the lemonade is 4.

In order to make the lemonade stronger, the proportion of lemon in the mixture should be increased or the proportion of water in the mixture should be reduced.

Looking at the options, option C is correct. The proportion of lemon is increased

7 0
3 years ago
What is 3yards x 3feet x 1foot=
Kazeer [188]

Answer:

<h2>27ft³</h2>

Step-by-step explanation:

1 yard = 3  feet

therefore 3 yards = 3(3 feet) = 9 feet

3yd × 3ft × 1ft = 9ft × 3ft × 1ft = 27ft³

5 0
3 years ago
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