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Radda [10]
3 years ago
7

What is 12a^-15ab-16a+20b in factored form ??

Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0
Since there are 4 terms you will "factor b y grouping"
3a(4 - 5b)  -4(4 - 5b)

each term has a common (4 - 5b) to factor out
(4 - 5b)(3a - 4)
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How many ways are there to choose positive integers a, b and c, not necessarily distinct, so that a + b < c and c ≤ 5?
svetlana [45]
You’re taking about comparison, so there isn’t a definite answer. The answer is undefined or N/A
8 0
3 years ago
Y is inversely proportional to d^2 When d=10 y=4 D is directly proportional to x^2 When x=2, d=24 Find a formula for y in terms
Sati [7]

Answer:

y = 1.44x⁴

Step-by-step explanation:

From the question,

Y∝d²

To remove the proportionality sign we introduce a constant.

Y = kd²............... Equation 1

make k the subject of the equation

k = Y/d²............. Equation 2

Given: Y = 4, d = 10

Substitute these values into equation 2

k = 4/10²

k = 4/100

k = 0.04

Substitute these value of k in equation 1

Y = 0.04d²................ Equation 3

Similarly,

d∝x²,

d = Cx²

make C the subject of the equation

C = d/x²................... Equation 4

Given:  d = 24, x = 2

Substitute into equation 4

C = 24/2²

C = 24/4

C = 6

Hence,

d = 6x²................... Equation 5

Substitute the value of d in equation 5 into equation 3

y = 0.04(6x²)²

y = 0.04(36x⁴)

y = 1.44x⁴

Hence the formula for y in terms of x is y = 1.44x⁴

6 0
3 years ago
What is 7/9 written as a decimal please explain!!
IrinaK [193]
7/9 as a decimal is 0.777.

7/9 is basically saying 7 divided by 9.
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So because a decimal isn't a whole number, we put 0.(blank) at the top in place of the regular number.
After, you just continue with the regular long division, but every time the divisor doesn't go into the number from the subtraction, you bring down a zero.

Sorry if this was kind of confusing!
Just watch a video on it if this didn't help.



6 0
3 years ago
Read 2 more answers
Convert 22/3 into a mixed number
trasher [3.6K]
22/3= 7 1/3 hope that helped
6 0
3 years ago
I need to know how to set up this problem. Please help
ELEN [110]

your total would be $10 and you have 1 variable. so it would be ($2x) for the pounds of veggies, plus the 3.50 for the basket, equals $10. then solve for X from there

7 0
4 years ago
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