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andre [41]
2 years ago
7

The temperature is 5° below zero the temperature falls 15° what is the temperature now

Mathematics
1 answer:
creativ13 [48]2 years ago
5 0

Answer: -20° is your answer

Step-by-step explanation:

When taking away a negative you must add the two numbers and when you're adding you subtract ❤

-Noxily

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A total of $98,000 is to be​ invested, some in bonds and some in certificates of deposit​ (CDs). If the amount invested in bonds
mamaluj [8]
B= 2000 + CD
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substitute b in
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7 0
3 years ago
Use the quadratic formula to solve x2 + 9x + 10 = 0.<br> What are the solutions to the equation?
vampirchik [111]

Answer:

\large\boxed{x=\dfrac{-9\pm\sqrt{41}}{2}}

Step-by-step explanation:

\text{The quadratic formula of}

ax^2+bx+c=0

\text{If}\ b^2-4a0,\ \text{then the equation has two solutions}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\=========================================

\text{We have}\ x^2+9x+10=0\\\\a=1,\ b=9,\ c=10\\\\\text{substitute:}\\\\b^2-4ac=9^2-4(1)(10)=81-40=41>0\qquad _{\text{two solutions}}\\\\\sqrt{b^2-4ac}=\sqrt{41}\\\\x=\dfrac{-9\pm\sqrt{41}}{2(1)}=\dfrac{-9\pm\sqrt{41}}{2}

5 0
3 years ago
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Please Help!?
White raven [17]

number 48 looks correct

7 0
3 years ago
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The graph of linear function f passes through the point (1, −9) and has a slope of −3. What is the zero of f?
ale4655 [162]
Zero of (f) equals -6
7 0
3 years ago
Which number is equivalent to 0.15×1000<br> Which number is equivalent to 0.15 ×1000
Alona [7]

Answer:150

Step-by-step explanation:

0.15 x 1000

15/100 x 1000

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15000 ➗ 100=150

5 0
3 years ago
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