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vivado [14]
3 years ago
7

NEED SOME HELP HERE!!

Mathematics
1 answer:
Stolb23 [73]3 years ago
5 0

Answer:

6 and 8

Step-by-step explanation:

Pythagorean theorem: a² + b² = c²

Given this,

(3x)² + (4x)² = 10²

9x² + 16x² = 100

25x² = 100

Divide both sides by 25

x² = 4

x = 2

Substitute this into 3x and 4x.

3x = 3 * 2 = 6

4x = 4 * 2 = 8

Thus, the answer is 6 and 8

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Help with this pleaseeee​
ELEN [110]

Answer:

(- 3, 37) and (- \frac{5}{2}, \frac{63}{2} )

Step-by-step explanation:

Given the 2 equations

2x² - y + 19 = 0 → (1)

y + 11x = 4 → (2) ← subtract 11x from both sides

y = 4 - 11x → (3)

Substitute y = 4 - 11x into (1)

2x² - (4 - 11x) + 19 = 0

2x² - 4 + 11x + 19 = 0

2x² + 11x + 15 = 0 ← in standard form

(2x + 5)(x + 3) = 0 ← in factored form

Equate each factor to zero and solve for x

2x + 5 = 0 ⇒ 2x = - 5 ⇒ x = - \frac{5}{2}

x + 3 = 0 ⇒ x = - 3

Substitute these values into (3) for corresponding values of y

x = - \frac{5}{2} : y = 4 + \frac{55}{2} = \frac{63}{2} ⇒ (- \frac{5}{2}, \frac{63}{2} )

x = - 3 : y = 4 + 33 = 37 ⇒ (- 3, 37 )

4 0
3 years ago
What is the distance between (3, -8) and (0, -2)
faltersainse [42]
The answer is 3√5. You use the distance formula: √((x2-x1)^2+(y2-y1)^2)
3 0
3 years ago
Read 2 more answers
X + 34 = 40 what does "x" equal? explain
butalik [34]
Hey there!

6 + 34 = 40

so x = 6

Hope this helps
Have a great day (:
8 0
3 years ago
Read 2 more answers
I really need the answer for this
lukranit [14]

Answer:

qwwertyuiop

Step-by-step explanation:

5 0
3 years ago
10x10x10 exponent form word form the power of 10
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Answer:

10^3 i think

Step-by-step explanation:

3 0
3 years ago
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