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ICE Princess25 [194]
2 years ago
9

The corner of a room where two walls meet the floor should be a right triangle. Jeff makes a mark along each wall. One mark is 9

inches from the corner. The other is 12 inches from the corner. How can Jeff use the Pythagorean Theorem to see if the walls form a right​ angle?
Mathematics
2 answers:
AlexFokin [52]2 years ago
5 0

The Demonstration Concep, two

Step-by-step explanation:A lo largo del texto nuestro enfoque a la geometría es en su mayor parte visual, como debe ser para que el libro sea efectivo

Aleksandr [31]2 years ago
4 0

ab^2 = 15^2 + 8^2
ab^2 = 289
ab = 17

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What is the value of x and y if 21x+7y=42 and -5x+5y=10 are equal
nikdorinn [45]

Answer:

-5x/5 +5y/5=10/5=2

y-x=2

y=x+2

21x+7*(x+2)=42

21x+7x+14=42

28x=42-14

28x=28

x=1

y=1+2

y=3

Step-by-step explanation:

7 0
3 years ago
A customer opens a checking account and a savings account at a bank. They will deposit a maximum of $600, some in the checking a
bagirrra123 [75]

Answer:

x +y \leq \\ 600

Step-by-step explanation:

8 0
2 years ago
Kensington City Cafe recently introduced a new flavor of coffee. They served 28 grande cups
Dmitrij [34]

Answer:

jumbo 23 oz, grande 16 oz

Step-by-step explanation:

Use g for grande and j for jumbo

The first equation: 28g + 33j = 1207

The second equation: 28g + 53j = 1667

Subtract the first from the second

   28g + 53j = 1667

-   28g + 33j = 1207

Equal 20j = 460

j = 23

Put 23 in for j in either equation and solve for g:

28g + 33(23) = 1207

28g + 759 = 1207

28g = 448

g = 16

5 0
2 years ago
Right answer gets brainliest please help due in 10min ​
Marrrta [24]

Answer:

A

Step-by-step explanation:

its 5.5 an hour and the cost is 15 at the start

6 0
3 years ago
2. Simplify the expression. (x3)(x7)²<br> 1<br> x18<br> x14<br> x126
lisabon 2012 [21]

Step-by-step explanation:

= ( {x}^{3} ) { ({x}^{7} )}^{2}

=  {x}^{3}  \times  {x}^{7 \times 2}

=  {x}^{3}  \times  {x}^{14}

=  {x}^{3 + 14}

=  {x}^{17}

4 0
2 years ago
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