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kogti [31]
3 years ago
11

Evaluate: 6 + [4(5 + 9)] step by step

Mathematics
1 answer:
jek_recluse [69]3 years ago
8 0
The answer is 62
First you would have to add the ones in the parentheses 5+9=14 then you would have to multiply it by the 4 [4 14]giving you 56. Then 56+6= 62
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Pls help me in this question it is really needed
DaniilM [7]

Answer:

6 1/8 ×10 2/7= 60

60÷2 1/3= 30

The answer:

30

8 0
3 years ago
Find the center and the radius of the circle with the equation: <br> x2+6x+y2+4y+12=0
Andrews [41]

Answer:

centre = (- 3, - 2) , radius = 1

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given

x² + 6x + y² + 4y + 12 = 0 ( subtract 12 from both sides )

x² + 6x + y² + 4y = - 12

Use the method of completing the square on the x and y terms

add ( half the coefficient of the x/ y terms )² to both sides

x² + 2(3)x + 9 + y² + 2(2)y + 4 = - 12 + 9 + 4

(x + 3)² + (y + 2)² = 1 ← in standard form

with centre = (- (- 3), - (- 2)) and r² = 1, that is

centre = (- 3, - 2) and radius = 1

8 0
3 years ago
Ricardo spends 2 2/3 hours practicing soccer on
ladessa [460]

Answer:

10 7/12 hours

Step-by-step explanation:

so we have to multiply 2 2/3 twice since he does that many hours for 2 days. We then have to multiply 1 3/4 three times since he does that many hours for 3 days. Lets first convert 2 2/3 into a mixed fraction. 2 2/3 = 3 times 2 =6 +2=8 over 3. 1 3/4=4 times 1=4+3=7 over 4. 8/3 times 2 equals 16/3 which eqials

5 1/3 hours. 7/4 times 3 equals to 21/4 which equals to 5 1/4. Lets now add

5 1/3 and 5 1/4. 5+5=10 but the fractions are not the same. Therefore, we need to make it to a common denominator. 4 times 3 equals to 12 so 4/12 plus 3/12 equals 7/12. Final answer equals to 10 7/12.

3 0
3 years ago
Emerson has $120. Each week, he saves an additional $15. Write a function f(x) that models the total amount of money Emerson has
Nastasia [14]

Answer:

f(x) = 120 + (15 * x)


3 0
3 years ago
Read 2 more answers
Mrs. Wilkinson can buy a 20-ounce box of cereal for $3.60 or a 28-ounce box of cereal for $4.20. Which is the better buy?
Vsevolod [243]
3.60 / 20 = 0.18

4.20 / 28 = 0.15


The 28-ounce box has better value, as cost-per-ounce is lower.
4 0
3 years ago
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