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olya-2409 [2.1K]
3 years ago
10

If a=3 and b=5 then ab/15+a(6+7b)=

Mathematics
2 answers:
lilavasa [31]3 years ago
8 0

Answer:155

Step-by-step explanation:

If a=3 and b=5 then

3•5/15+3•6+7•5=155

UNO [17]3 years ago
5 0
The answer is : 2/15ax(53b+45)
Factor the expression
ax(b/15+6+7b)
Calculate
ax(106/15b+6)
Factor pression
ax2/15x(53b+15x3)
Multiple the numbers
ax2/15x(53b+45)
Reorder the terms

Solution: 2/15ax(53b+45)
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Help its math ik u like math
choli [55]

Answer:

141.625

Step-by-step explanation:

\:  \: 141.625\\  32 \sqrt{4532}  \\  - 32 \\  -  -  -  -  -  \\ \:  \:  \:  \:  133 \\  - 128 \\  -  -  -  -  -  -  \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \: 52 \\  \:  \:  \:  \:  \:  \:  - 32 \\  -  -  -  -  -  -  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  200 \\ \:  \:  \:  \:  \:    - 192 \\  -  -  -  -  -  -  \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  80 \\  \:  \:  \:  \:  \:  \:  \:  \:  - 64 \\  -  -  -  -  -  -  \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  160 \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: - 160 \\  -  -  -  -  -  -  -  \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  0

7 0
3 years ago
Read 2 more answers
Solve the following system of equations using the substitution method.
BartSMP [9]

Answer:

B

Step-by-step explanation:

First label the equations.

6x +3y= 18 -----(1)

y= -2x +5 -----(2)

subst. (2) into (1):

6x +3(-2x +5)= 18

6x +3(-2x) +3(5)= 18 (expand)

6x -6x +15= 18

15= 18 (simplify)

(reject)

There is no solution.

<u>Further explanation</u><u>:</u>

If I rewrite the first equation into the form of y=mx+c, I would get

6x +3y=18

3y= 18 -6x (bring y term to one side)

y= 6- 2x (÷3 throughout)

y= -2x +6

Notice that the gradients of both lines are equal ( -2). This implies that they are parallel to each other and will never meet. Hence there are no solutions.

3 0
3 years ago
Phil takes out a bank loan of $150 000 to buy a house, at an annual interest rate of 3.5%. The interest is calculated at the end
Deffense [45]

Answer:

You would owe the bank <u>$105,000</u> in interest after 20 years.

Step-by-step explanation:

You first have to find what the one-year interest dollar amount, which is $5,250.

Then you simply multiply the one year dollar amount, by 20. (years).

20  x   $5,250  =  $105,000

giving you your final answer of <u><em>$105,000</em></u>

8 0
1 year ago
Evan has $0.45 worth of pennies and nickels. He has a total of 21 pennies and nickels altogether. Determine the number of pennie
Jobisdone [24]
6 nickels and 15 pennies
4 0
3 years ago
Read 2 more answers
I WILL MARK AS BRAINLIEST! Simplify
Nesterboy [21]

a) | -21 -17| = | - 38 | = 38

b) | 39 - 26 | = | 13 | = 13

c) | -17 -79 | = | - 96 | = 96

d) | -9+25 |= | 16 | = 16

e) | -21 -61 |= | - 82 | = 82

f) | 61-74 |= | - 13 | = 13

g) | -31 -79 |= | - 110 | = 110

h) | -12 +55 | =| 43 | = 43

I hope I helped you^_^

7 0
3 years ago
Read 2 more answers
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