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lapo4ka [179]
3 years ago
11

Twice one number is 15 less than a second number. when 13 is added to the second number,the result is 7 less than 9 times the fi

rst number
Mathematics
1 answer:
inna [77]3 years ago
8 0
Anwser is 15 beacuse i got the anwser right now

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X+(-3)=-7 Solve the equation and enter the value of x below
Phoenix [80]

Answer:

x=-4

Step-by-step explanation:

x+(-3)=-7

x-3=-7

x=-7+3=3-7

x=-4

3 0
3 years ago
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The exchange rate is £1 =$1.54 how many $ would I get for £200
Andreyy89
Let's see, if 1 pound = $1.54, let's times 1.54 by 200, the answer is $308, hope this helps
3 0
3 years ago
over 5 days 8,208 people visited the amusement park about how people visited the park per day using rates
Nadusha1986 [10]
Number of people visited per day =  Number of People visited / Number of days

                                                 = 8208 People / 5 days

                                                 =  1641.6  People / day.
6 0
3 years ago
n a jar of coins, the ratio of nickels to dimes is 5:7. If the jar contains 350 dimes, how many nickels are there?
irina1246 [14]

Answer:

250 nickles

Step-by-step explanation:

Nickles and dimes are coins with different currency values. One nickel(N) is equal to 5 cents while one dime(D) is equal to 10 cents. The ratio of nickel:dime is 5:7, to put into the equation it will be:

N/D= 5/7

7N=5D   ---> 1st equation

There are 350 dimes, the equation will be:

D=350   ----> 2nd equation

We can find out the number of nickels by substitute the 2nd equation into the first. The calculation will be

7N=5D

N= 5D/7

N=5(350)/7

N=  250

4 0
3 years ago
URGENT!!LAST QUESTION!!!! PLS JUST TAKE A LOOK! EASY BUT I AM DUMB!!!!!! WILL GIVE BRANLIEST!!
Luden [163]

Answer:

x = 28

Step-by-step explanation:

If the quadrilaterals are similar, there is a proportionality among their sides:

The top side in the large figure (70) is to the top side in the small figure (10) in the same ratio as the left side (x) in the large figure is to the left side in the small figure (4). This in math terms is written as:

\frac{70}{10} =\frac{x}{4}

We can then solve for the unknown "x" by multiplying both sides by 4:

\frac{70}{10} =\frac{x}{4}\\\frac{70\,*\,4}{10} =x\\x=28

4 0
2 years ago
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