Question 4 (1 point)

Mathematics

1 answer:

lora16 [44]4 years ago

6 0

Answer:

x=15

Step-by-step explanation:

3(2x+5)=3x+4x

6x+15=3x+4x. *multiplied parentheses by 3*

15=3x+4x+-6. *moves all x to one side*

15=× * added

x=15

You might be interested in

Why do you think gas stations often quote a price per gallon that ends in 9/10 of a cent? Do you think this is an appropriate us

arlik [135]

The practice of tacking 9/10 of a cent on the end of a gas price goes back to when gas cost only pennies per gallon and was a tax imposed by state and federal governments. Gas stations added the fraction of a cent on the end of the price instead of rounding up the price.

8 0

3 years ago

Kyra is traveling to Canada and will exchange $250 into Canadian dollars. The current exchange rate of $1 US is equal to $1.03 C

Margaret [11]

Answer:

She will get $275.50 in return

Step-by-step explanation:

250 x 1.03 = 257.50

8 0

3 years ago

The probability that a student has a Visa card (event V) is .63. The probability that a student has a MasterCard (event M) is .1

Aleksandr-060686 [28]

Answer:

a) The probability that a student has either a Visa card or a MasterCard is 0.71.

b) V and M are not independent.

Step-by-step explanation:

Given : The probability that a student has a Visa card (event V) is 0.63. The probability that a student has a MasterCard (event M) is 0.11. The probability that a student has both cards is 0.03.

To find :

a) The probability that a student has either a Visa card or a MasterCard ?

b) In this problem, are V and M independent ?

Solution :

The probability that a student has a visa card(event V) is P(V)= 0.63

The probability that a student has a MasterCard (event M) is P(M)= 0.11

The probability that a student has both cards is $P(V \cap M)=0.03$