1 year ago

How would i solve this? SOLVE FOR TU

Mathematics

1 answer:

creativ13 [48]1 year ago

7 0

First subtract 30-23 that’d be the value of UV(7) now subtract 18 from 7, the answer will be 11 therefore TU is 11.

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5x + 2y=7<br> - 2x + 6y=9

ollegr [7]

Answer:

x = $\frac{12}{17}$ or 0.706

$y = \frac{59}{34}$ or 1.735

Step-by-step explanation:

5x + 2y=7 ----->(eq 1)

- 2x + 6y=9 ----->(eq 2)

Multiply (eq 1) with 3

3×(5x + 2y) = 3×7

15x + 6y = 21 ----->(eq 3)

substract (eq 3) from (eq 2)

- 2x + 6y - (15x + 6y) = 9-21

- 2x + 6y - 15x - 6y = 9-21

- 2x - 15x + 6y - 6y = 9-21

-17x = -12

x = -12 ÷ -17

x = $\frac{12}{17}$

put x = $\frac{12}{17}$ in (eq 1)

$5*\frac{12}{17} + 2y = 7$

$2y = 7- 5*\frac{12}{17}$

$2y = \frac{7*17 - 60}{17}$

$2y = \frac{119- 60}{17}$

$2y = \frac{59}{17}$

$y = \frac{59}{17*2}$

$y = \frac{59}{34}$

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3 years ago

If x is 6, then 7x =

Mekhanik [1.2K]

Answer:42

Step-by-step explanation:

7 multiplied by 6= 42

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3 years ago

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Determine whether a quadratic model exists for each set of values. If so, write the model.

zvonat [6]

Yes, a quadratic model does exist and its equation is f(x)=4x^2

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3 years ago

The science teacher has a 1. 200 scale model of the space shuttle

bezimeni [28]

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6. a- 45/8= 2 6/7.. what does a =

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Answer:

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Step-by-step explanation:

I think that a equals to -2.7678571428

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3 years ago