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2 years ago

What is the quotient of 6 and Negative one-half? PLS HURRY!!!!

Mathematics

2 answers:

Mandarinka [93]2 years ago

6 0

Answer:

Step-by-step explanation:i took the edge assignment

scoundrel [369]2 years ago

5 0

Answer: -12

Step-by-step explanation: I did 12 and it was wrong it should be 12

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The circumference A of a circle varies directly with its radius. A circle with a radius of 4 has a circumference of about 25.1 i

horsena [70]

Answer:

25.1 in.2.

Step-by-step explanation:

8 0

3 years ago

An item is regularly priced at $40. It is now priced at a discount of 40% off the regular price. What is the price now?

Andreyy89

After discount, the price of the item is $24.00

8 0

3 years ago

Using the Law of Cosines, in triangle DEF, if e=18yd, d=10yd, f=22yd, find measurement of angle D

Ivahew [28]

Check the picture below.

$\bf \textit{Law of Cosines}\\ \quad \\
c^2 = {{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)\implies 
c = \sqrt{{{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)}
\\\\\\
\cfrac{{{ a}}^2+{{ b}}^2-c^2}{2{{ a}}{{ b}}}=cos(C)\implies cos^{-1}\left(\cfrac{{{ a}}^2+{{ b}}^2-c^2}{2{{ a}}{{ b}}}\right)=\measuredangle C\\\\
-------------------------------\\\\
\begin{cases}
d=10\\
e=18\\
f=22
\end{cases}\implies cos^{-1}\left(\cfrac{{{ 18}}^2+{{ 22}}^2-10^2}{2(18)(22)}\right)=\measuredangle D$

$\bf \implies cos^{-1}\left(0.893\overline{93}\right)=\measuredangle D\implies 26.63^o\approx \measuredangle D$

7 0

3 years ago

Write an inequality for x that would give this isosceles triangle and perimeter of at least 137 ft. 4x+3 2x+7

neonofarm [45]

Answer:

The inequality is $8x+17\geq 137$

Step-by-step explanation:

Given : The isosceles triangle with base and side 4x+3, 2x+7.

And the perimeter is at least 137ft.

To write : An inequality for x

Solution : Let the base $b=4x+3$ and sides $s=2x+7$

The perimeter of Isosceles triangle is $P=2s+b$

where s=side and b=base

Now, we have given that perimeter is at least 137 ft.

Therefore, the inequality form is

$2(2x+7)+(4x+3)\geq 137$

$4x+14+4x+3\geq 137$

$8x+17\geq 137$

5 0

3 years ago

A car is travelling on an cement road with a drag factor of 1.1. The speed limit on this portion of the road is 45 mph. It was d

Nikolay [14]

<span>A) What is the minimum speed the car was traveling when it entered the skid? Round your answer to the nearest tenth. 37.4 mph

B) Did the driver exceed the speed limit when entering the skid?
No</span>

3 0

3 years ago