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Basile [38]
3 years ago
14

Dinner came out of the oven at 7:15 P.M. after baking for 30 minutes. What time was dinner put into the oven?

Mathematics
2 answers:
spin [16.1K]3 years ago
5 0

Answer:

6:45

Step-by-step explanation:

larisa86 [58]3 years ago
3 0

Answer:

6:45

Step-by-step explanation:

7:15-30=6:45

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If f(x)=x²-16 is continuous at x = -4, find f(-4).
True [87]

Answer:

0

Step-by-step explanation:

f(-4) means x = -4 so then plug -4 into the function.

y = -4²-16

y = 0

5 0
3 years ago
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spayn [35]
The answer is 401/12 that can be simplified 

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7 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 3x-5. The perimeter of the triangle is 39. Find X.
frozen [14]

Answer:

x = 7

Step-by-step explanation:

In an isosceles triangle, both legs are always congruent. The length of one leg is given, and the other leg has to be the same. The perimeter of this triangle can be written as:

x+(3x-5)+(3x-5)=39

With this equation, all you need to do is solve for x.

3+3x-5+3x-5=39\\(-5-5)+(x+3x+3x)=39\\-10+7x=39\\7x=49\\x=7

5 0
2 years ago
35 girls and boys have planned for a walk. There is a ratio of 5 girls to 2 boys. How many boys are there
Nesterboy [21]
5x=2x=35
7x=35
x=35/7
x=5
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2x=10 boys
 
 hope i helped you

7 0
3 years ago
Read 2 more answers
Consider the function f(x)=3x^3-5x^2-88x+60-5 is a root of f(x). Find all of the roots of f(x)
Tom [10]
If -5 is a root then f(x) is divisible by x + 5

The quotient from this division is 3x^2 -20x +12
Factoring this:-

= 3x^2 - 18x - 2x + 12
= 3x(x - 6) - 2(x - 6)
= (3x - 2)(x - 6)
So 2 more roots are 2/3 and 6
All the roots are -5 , 2/3 and 6.  Answer
8 0
3 years ago
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