1 year ago

Can someone help me solve for x

Mathematics

1 answer:

777dan777 [17]1 year ago

4 0

Step-by-step explanation:

${67 }^{2} + {67 }^{2} = x {}^{2}$

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Goshia [24]

Answer:

Step-by-step explanation:

$2x + 7 - 1 = 2x + 7$

$= > 2x - 1 = 2x + 7 - 7$

$= > 2x - 1 = 2x$

$= > - 1 = 2x - 2x$

$= > x = - 1$

7 0

2 years ago

As a lifeguard, sara earns a base pay of $80 per day. if her day involves swim instruction, sara earns an additional 9t dollars,

zhuklara [117]

Answer:

Step-by-step explanation:

Sara's base pay is $80

(a) The 9t represents the additional amount of money that she earns if she gives instruction for t hours. 9 stands for $9 per hour

b)The term in the expression is t which stands for the number of hours that she instructs. The coefficient is 9 which stands for the hourly rate

c) The expression for 7 hours would be

We will substitute t into 80 + 9t. It becomes

80 + 9×7

d) in all, she will earn

80 + 9×7 = $143

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2 years ago

14 through 19 whole problem solving and answers

Sergio039 [100]

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2 years ago

Read 2 more answers

Joel biked 9 miles east and 12 miles north. If he biked back to his starting point using the most direct route, how many miles w

love history [14]

Answer:

36 Miles

Step-by-step explanation: 15 + 9 + 12 = 36 miles

6 0

2 years ago

Read 2 more answers

Which ordered pair is the solution to the system of equations?

d1i1m1o1n [39]

$\begin{cases}-3x+4y=-20\\y=x-4\end{cases}\\\\\\-3x+4(x-4)=-20\\\\-3x+4x-16=-20\\\\x-16=-20\quad|+16\\\\x-16+16=-20+16\\\\\boxed{x=-4}\\\\\\y=x-4\\\\y=-4-4\\\\\boxed{y=-8}$

Answer C.

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2 years ago