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Naily [24]
3 years ago
8

Use FOIL to multiply the binomials. (x+9)(x+1)

Mathematics
1 answer:
Scilla [17]3 years ago
5 0

Answer: Foil stands for FIRST OUTSIDE INSIDE LAST

(x +9)(x+1) = x^2 + 10x + 9

Step-by-step explanation:

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If the simple interest on $6,000 for 4 years is $1,920, then what is the interest rate?
Vsevolod [243]

Answer:

8 percent

Step-by-step explanation:

Since the formula for interest rate is the original money, the amount of years, and the inetrest rate multiplied together, we could plug it into an equation. 6000 times 4 times the ineterest rate is equal to 1920. 6000 times 4 is 24000. 1920 divided by 24000 is equal to 0.08 or 8 percent.

6 0
3 years ago
So i called a friend a brat as a joke but shes mad at me now what do i do
Dmitry_Shevchenko [17]
You could apologize
3 0
2 years ago
At the beginning of the week, a puppy weighed 5/14 pounds. During the week, the puppy gains 8 ounces.
Mekhanik [1.2K]

Answer:

51/12

as a mixed number

4 1/4

Step-by-step explanation:

first you add 8 to 4 which is 12

so the improper fraction would be 51/12

how to turn it in to a mixed number in simplest form

step 1 - Find Whole Number

Calculate out how many times the denominator goes into the numerator. To do that, divide 51 by 12 and keep only what is to the left of the decimal point:

51 / 12 = 4.2500 = 4

Step 2 - Find New Numerator

Multiply the answer from Step 1 by the denominator and deduct that from the original numerator.

51 - (12 x 4) = 3

Step 3 - Put Together

Keep the original denominator and use the answers from Step 1 and Step 2 to get this:

4  

   3  

   12  

Step 4 - Minimize

Minimize the fraction part from Step 3 by dividing the numerator and denominator by 3, which is the greatest common factor, to get the final answer. 51/12 as a Mixed Number is:

4  

   1  

   4  

5 0
2 years ago
How to find the axis of symmetry if the parabola doesn't cross the y axis<br> please i need help
ale4655 [162]

Step-by-step explanation:

a parabolic graph is given by the equation ax^2 + bx + c

the axis of symmetry is equal to -b/(2a)

however it is worth noting that all parabolas have a y intercept since their domain is all real numbers.

make sure to inform me if you need further guidance.

6 0
2 years ago
A boat makes a 120-mile trip downstream in 3 hours but makes the return trip in 4 hours. What is the rate of the current?
Gnom [1K]
With the current 40 miles per hour
Against the current 30 miles per hour
bv means boat velocity with NO current
cv means current velocity
A) bv + cv = 40 mph
B) bv - cv = 30 mph
Adding both equations:
2bv = 70
boat velocity with NO CURRENT = 35 miles per hour

Using equationA
bv + cv = 40
35 + cv = 40

current velocity = 5 miles per hour


8 0
3 years ago
Read 2 more answers
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