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Elanso [62]
3 years ago
8

The ratio of two numbers is 3to 4. The synod the number is 63. What are the two number

Mathematics
1 answer:
lidiya [134]3 years ago
4 0
I THINK THE ANSWER IS 9
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Name the orperation you should perform first. i need help pls and thank you!!
pishuonlain [190]

Answer:

For the first one on the left, you need to evaluate the expressions inside the parenthesis. For Question number 6, evaluate the exponent first.

Step-by-step explanation:

Think of PEMDAS, order of operations.

Parenthesis

Exponent

Multiplication

Division

Addition

Subtraction

6 0
2 years ago
The function f(x) = –x2 + 20x – 75 models the profit from one customer, in dollars, a shop makes for printing photos, where x is
trasher [3.6K]
The function is graphed as shown below

Part A:

We use the formula - \frac{b}{2a} to find the vertex of the function. A quadratic function of the form of a x^{2} +bx+c and equating this form to the given function - x^{2} +20x-75, we have
b=20 and a=-1.

Substituting a and b into the vertex formula, we have
x=- \frac{20}{2(-1)}=10, as shown in the graph

This calculation means that the highest profit is achieved when the number of photo printed equals to ten photos

Part B:

We can find solution to this equation by factorising

- x^{2} +20x-75=0
-( x^{2} -20x+75)=0
x^{2} -20x+75=0
(x-5)(x-15)=0
x=5 and x=15, as shown in the graph

The two values means that the company makes no profit when they either produce 5 or 15 photos

8 0
3 years ago
Which equation can be used to solve for the value of n if 2 + n = 12?
In-s [12.5K]
N=12-2 is the answer of this question
6 0
3 years ago
X
Nookie1986 [14]

this picture would help you man stay strong

4 0
3 years ago
Guys help me yall for 20 point
igomit [66]

Answer:

7

Step-by-step explanation:

9/m+4

9/3+4 (m=3)

3+4

7

4 0
3 years ago
Read 2 more answers
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