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docker41 [41]
3 years ago
15

645 plus 763 to the nearest hundredth

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0

Answer:

1408

What you have to do is 645 + 763 = 1408 that's how you doing I think so and sorry if I did it wrong

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If Rachel purchased a prepaid phone card for $25. Long distance calls cost 24 cents a minute using the card. Rachel used her car
Tresset [83]

Answer:

24 minutes

Step-by-step explanation:

25- 19.24= $5.76 used so....

$5.76/ 0.24cents = 24 minutes

5 0
3 years ago
Given the equation (x-a)^2(x-2)=x^3+bx^2+12x-72 find a and b
ivann1987 [24]
Isolate the variable by dividing each side by factors that don't contain the variable.

a=- \frac{ x^{2}- \sqrt{( x^{3} + x^{2} b+12x-72(x-2)-2x} }{x-2} ,- \frac{ x^{2}+ \sqrt{( x^{3} + x^{2} b+12x-72(x-2)-2x} }{x-2}

Solve for b by simplifying both sides of the equation then isolating the variable.

b= \frac{12}{x}+ \frac{72}{ x^{2} }-2+2a- \frac{4a}{x}+ \frac{ a^{2} }{x}- \frac{2a^{z} }{ x^{2} }

Hopefully i helped ^.^ Mark brainly if possible. Lol once again i saw the same question so why not answer it again!
 


3 0
3 years ago
Please help! i reward brainliest <br> plz no silly answers
FrozenT [24]

Answer:

With 4 times the number of machines, it would take 8 hours

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Will give brainlest if correct, and 5 stars.<br><br> Solve for x
irina1246 [14]

Answer:

x = 156

Step-by-step explanation:

These angles are supplementary so they add up to 180:

x - 5 + 29 = 180

x + 24 = 180

x = 156

7 0
3 years ago
Read 2 more answers
Write the slope intercept form of the equation of the line passing through the point (5, -4) and perpendicular to the line y=-4/
n200080 [17]
Y = -4/3x + 5....the slope here is -4/3. A perpendicular line will have a negative reciprocal slope. To find the negative reciprocal, flip the original slope and change the sign. So we have -4/3....we flip it and it becomes - 3/4....we change the sign and it becomes 3/4. So the perpendicular line will have a slope of 3/4.

y = mx + b
slope(m) = 3/4
(5,-4)...x = 5 and y = -4
now we sub into the formula and find b, the y int
-4 = 3/4(5) + b
-4 = 15/4 + b
-4 - 15/4 = b
-16/4 - 15/4 = b
-31/4 = b
so ur perpendicular equation is : y = 3/4x + (-31/4) which is written as :
 y = 3/4x - 13/4 <== ur answer

4 0
4 years ago
Read 2 more answers
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