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7nadin3 [17]
3 years ago
14

Answer A B and C pls

Mathematics
2 answers:
aleksandrvk [35]3 years ago
5 0
A. $39.

B. $2.50.

C. Sinea.
Hunter-Best [27]3 years ago
4 0

a. using the same ratios:

26 : x = 8 : 12

x = (26*12)/8

x = 312/8

x = 39 $

b. using the same ratios:

5 : x = 20 : 10

x = (5*10)/20

x = 50/20

x = 2,5$

c. Sinea:

5 : 12 = 40 : x

x = (12*40)/5

x = 480/5

x = 96$

Ren:

10 : 20 = 40 : x

x = (40*20)/10

x = 800/10

x = 80$

Sinea would spend more money because the ratio of her money spend on souvenirs and snacks is 12/5 = 2,4 which is bigger than in Ben's case, where it's 20/10 = 2, hence SInea would spend more money.

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(5 x 10^4) (9.46 x 10^12) in scientific notation
Alina [70]

Answer:

5

2.2704*10 hope it helps

3 0
3 years ago
Zamira and Courtney share a 16 oz box of cereal. By the end of the week, Zamira has eaten 38 of the box, and Courtney has eaten
12345 [234]

Answer:

12/25 ths of the box is left.

Step-by-step explanation:

I'm assuming you mean 14% and 38%

If so then the first thing you'd do is put 38 and fourteen over 100 such as:

38/100 and 14/100.  You do that because since its a percentage, its the same as the number of that percentage over 100.

Since you now have like terms, you can add them together, in which you add the two numerators (top row), but leaving the denominator (bottom row) the same, and it would give you:

52/100

What you want to do after that is simplify it. Once you simplify it, the simplified version of this is technically still the same as the non-simplified version, just easier to use.

Once you simplify it once, you will get:

26/50 and then if you simplify it again, you'll get 13/25

KEEP IN MIND that this is the amount that HAS BEEN EATEN ALREADY.

After that, you wan to subtract your part from your whole meaning you'd subtract: 25/25 - 13/25

Going back to earlier, you subtract the numerator and leave the denominator the same ONLY because they have like terms(The DENOMINATORS match)

After subtracting, you will get an answer of 12/25ths, which cannot be further simplified either.

Hope this helped!

4 0
2 years ago
Steve earned $7.40 per hour working his paper route. The first week, he worked 16 hours. After getting paid, he put $105 in the
prisoha [69]

Answer:17

Step-by-step explanation: Multiply Steve’s hourly wage ($7.40) by the hours he worked in a week (16 Hours) that would give you your weekly earnings which would be (7.40x16=$118.40) Then subtract what he saved in the bank from your total (118.40-105=$13.40) then you would divide $13.40 (his leftover money) by $0.75 to find the total number of carnival rides he could ride (13.40/0.75=17.86 rides and because he cannot ride 17 and 86 hundredths of a ride he would be able to ride 17 carnival rides.

6 0
2 years ago
Read 2 more answers
10. Solve the following equations<br><br> a) Cos Ɵ = -1/2<br><br><br><br><br> b) -18 Sin Ɵ + 9 = 0
Olenka [21]

Answer:

what is cos and sin ?

Step-by-step explanation:

4 0
2 years ago
Which equation is a radical equation.
OlgaM077 [116]

Hi there! :)


A radical equation is an equation in which a variable (ex. x, y, a, v) is under a radical sign. The only equation that has a variable under a radical (x) is the second option. There is an x next to the 2 under the radical.


I hope this helps, DM me if you have anymore questions. :)


~kaikers

6 0
3 years ago
Read 2 more answers
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