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AURORKA [14]
3 years ago
14

A weather forecaster says the temperature will be about -5C “give or take” 10 degrees. What is the greatest possible temperature

? what is the least possible temperature?
Mathematics
1 answer:
bagirrra123 [75]3 years ago
4 0

Minimum: -15C

Max: 5C

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Answer:

9 servings

Step-by-step explanation:

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Ik easy but im to lazy hehe<br> Distribute.<br><br><br> 4(2x + 3)
artcher [175]

Answer:

8x + 12

Step-by-step explanation:

It would be 4 x 2x = 8x + (4 x 3) = 8x + 12

4 0
3 years ago
Read 2 more answers
The park is 6 mi due east of Freeport High School, and the library is 4 mi due west of the school. The police department is loca
AURORKA [14]
The answer is 6.7 mi.

Since the right triangle is present, to calculate this we will use the Pythagorean theorem. According to the Pythagorean theorem, the square of the hypotenuse (c²) is equal to the sum of the squares of two other sides (a² + b²)<span>:
c</span>² = a² + b²<span>

First, we need to express symbols:
b - side of the right triangle (distance </span><span>between police department and Freeport High School).
a1 - </span>side of the first right triangle (distance between library and Freeport High School).<span>
a2 - </span><span>side of the second right triangle (distance between park and Freeport High School).
c1 - hypotenuse of the first triangle (distance between </span>police<span> department and library).
c2 - </span>hypotenuse of the second triangle (distance between police<span> department and park).

Therefore, we need to calculate c2.
It is given:
a2 = 6 mi
a1 = 4 mi
c1 = 5 mi

First, let's calculate b, which is a common side for two triangles:
</span>c1<span>² = a1² + b²
</span>b² = c1<span>² - a1²
</span>b² = 5<span>² - 4²
</span>b² = 25<span> - 16
</span>b² = 9
√b² = √9
b = 3.

We know b, now we can calculate c2:
c2<span>² = a2² + b²
</span>c2<span>² = 6² + 3²
</span>c2<span>² = 36 + 9
</span>c2<span>² = 45
</span>√c2<span>² = </span>√45
c2 = 6.7

The distance between police department and park is 6.7 miles.

3 0
3 years ago
Is The boundary line for the inequality y &lt; -7/3x - 3 is a solid line.
777dan777 [17]

Answer:

Step-by-step explanation:

No.  Only if the inequality symbol < were replaced with =, ≤ or ≥, would the boundary line be a solid line.

3 0
3 years ago
What is the relative maximum value of the function f(x) = –x3 + 6x2 – 9x – 1?
Vlad [161]

Answer:

-1.

Step-by-step explanation:

First find the derivative of f(x):

f'(x) = -3x^2 + 12x - 9 = 0   for a maximum or minimum.

-3(x^2 - 4x + 3) = 0

(x - 1)(x - 3) = 0

x = 1, 3.

To find which gives a relative maximum we find the second derivative:

f"(x) = -6x + 12

When x = 1  f"(x) = 6,    positive.

when x = 3, f"(x) = -6,  negative.

So x = 3 gives a maximum value of f(x).

f(3) = -(3)^3  + 6*(3)^2  - 9(3) - 1 = -1 (answer).

7 0
3 years ago
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