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lakkis [162]
3 years ago
8

Evaluate 5a+ 4b2 when a = 7 and b = 6​

Mathematics
1 answer:
koban [17]3 years ago
6 0

Answer:

179

Step-by-step explanation:

5a+ 4b^2

Use PEMDAS:

P- Parentheses, E- Exponents, M- Multiplication, D- Division, A- Addition, and S- Subtraction

5(7) + 4(6)^2 = 5(7) + 4(36) = 35 + 144 = 179

6^2 = 6 x 6 = 36

5 x 7 = 35

4 x 36 = 144

if this is correct please give me Brainliest.

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This table gives points on a line. What is the equation of the line?
vitfil [10]

Answer:

y = -2x + 5

Step-by-step explanation:

Assuming this is linear, the slope would be constant. For every 1 x, y decreases by 2. This means that the slope is -2.

y = -2x + b

Now all we need is the y-intercept.

If we plug in the first point (1,3), we get:

3 = -2*1+b

3 = -2+b

b = 5

This is the y-intercept.

y = -2x + 5

6 0
2 years ago
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NNADVOKAT [17]
3

Circumference is 2πr, and the large cake has a radius 3 times the radius of the small cake. So, the circumference of the large cake will be 3 times that of the small cake.
4 0
3 years ago
a company uses two vans to transport workers from a free parking lot to the workplace between 7:00 and 9:00 am . one van has 6 m
olganol [36]
Y - x = 6
y + 2x = 57 

2y - 2x =12
y + 2x = 57 

∴3y = 69
   y = 23
 

23 - x = 6 
-x = -17 
x =17

large van = 23
small van = 17
4 0
3 years ago
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Um I am very much stuck
lozanna [386]
Um. i’m pretty sure it’s just 30 feet
6 0
3 years ago
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Shamir and Juliet are traveling at constant rates in their cars. If Shamir travels
snow_lady [41]

How much farther than Shamir will Juliet travel in one hour is : b. 3 miles.

<h3>Distance</h3>

1 hour= 60 minutes

Given:

Difference in 10 minutes=1/2 mile

Hence:

Difference in one hour=1/2×(60/10)

Difference in one hour=1/2× 6 mile

Difference in one hour=3 miles

Therefore how much farther than Shamir will Juliet travel in one hour is : b. 3 miles.

Learn more about distance here:brainly.com/question/2854969

#SPJ1

5 0
1 year ago
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