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sweet [91]
3 years ago
13

Evaluate 15 − 4 + (7 − 5)2 = __________.

Mathematics
2 answers:
Bumek [7]3 years ago
7 0
26? right? cause 15 - 4 is 11, 7 - 5 is 2, 11 + 2 is 13, and 13 x 2 is 26
blagie [28]3 years ago
6 0
15-4=11 plus
(7-5)= 2
if is times 2 is 32
if is plus 2 is 15
if is minus 2 is 11 
and if is divided by 2 is 6.5
 (I'm saying all that because you didn't put any symbol beside the number 2)
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Gekata [30.6K]

Answer:

k=-1

Step-by-step explanation:

-2=k. 2

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-2/2=k

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Describe an animal adaptation and explain how it helps survival.
marin [14]

Answer and Step-by-step explanation:

Animal adaption for Birds.

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<em><u>#teamtrees #WAP (Water And Plant)</u></em>

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3 years ago
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7 0
3 years ago
50+30 x12 20 POINTS GUYS YESSSSSSSSSSSSSSSSSSSSSSS
daser333 [38]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
3x<img src="https://tex.z-dn.net/?f=3x%5E%7B2%7D%20%2B8x-10" id="TexFormula1" title="3x^{2} +8x-10" alt="3x^{2} +8x-10" align="a
Licemer1 [7]

The solution to the quadratic equation 3x² + 8x - 10 by using the quadratic formula is x = 0.927 or -3.594

<h3>Solving quadratic equations.</h3>

Quadratic equations are algebraic expressions that are represented in the power of the second degree. They usually take the form ax² + bx + c

From the given information, we are to solve the quadratic equation:

  • 3x² + 8x - 10

Using the quadratic formula:

\mathbf{=\dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}}

where:

  • a = 3
  • b = + 8
  • c = - 10

\mathbf{= \dfrac{-(8)) \pm \sqrt{(8)^2 - 4(3 \times (-10))}}{2(3)}}

\mathbf{= \dfrac{-(8)) \pm \sqrt{64 -4 (-30)}}{6}}

\mathbf{= \dfrac{-(8)) \pm \sqrt{64+120}}{6}}

x = 0.927 or -3.594

Learn more about solving quadratic equations here:

brainly.com/question/8649555

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3 0
2 years ago
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