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nadya68 [22]
4 years ago
8

Simplify: 12÷12(4−6) A. 2 B. -2 C. 1 D. - 0.5

Mathematics
2 answers:
ioda4 years ago
7 0
<span>12 ÷ 12(4 − 6)

Using BODMAS or PEDMAS (depending upon which part of the world you live),

</span><span>12 ÷ 12(4 − 6)

= 12 </span>÷ (12 × -2)

= 12 ÷ (-24)

= \frac{12}{-24} =  \frac{1}{-2} = - \frac{1}{2}

= -0.5

Hence, the answer is D.
Marina86 [1]4 years ago
6 0
12÷(-24)
-1/2
-0.5

hope this helps u
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Select all the choices below that show three lengths that could be the lengths of a triangle?
Zigmanuir [339]

Answer:

The last three,

2 cm, 5 cm, 6 cm

4 cm, 8 cm, 11 cm

10 in, 5 in, 13 in

As long as any two sides added together are long than the third side, it works as a triangle!

3 0
3 years ago
HELP!!! Write the equation of a parabola with focus (-2,4) and directrix y=2 . Show your work
Kitty [74]
K, so since directix is below focus, it opens up (2<4)
and directix is y=something so equation is (x-h)^2+4p(y-k) where (h,k) is vertex and p is distance from focus to vertex. if it opens down, p<0, if it opens up, p>0
and the vertex is in the middle of the focus and directix

so

distance bewten (-2,4) and y=2 is 2 units
2/2=1, so 1 unit down from focus
vertex is in the middle so it is at (-2,3)
also, opens up so p=1

vertex (-2,3)
p=1
(x-(-2))^2=4(1)(y-3)
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6 0
3 years ago
a rectangle has an area of 7/8 square units if the width is 7/16 unit what is the length of the rectangle in units?
djyliett [7]

Answer:

Length=2 units

Step-by-step explanation:

Given :

Area of the rectangle =\frac{7}{8}  square units

Width of the rectangle=\frac{7}{16} units

Area of the rectangle= Length* Width

                         \frac{7}{8} =Length*\frac{7}{16}

Multiplying  \frac{16}{7} both the sides

                      \frac{7}{8} *\frac{16}{7} =Length

                     Length=\frac{16}{8}

                   Length=2 units

The length of the rectangle is 2 units

3 0
3 years ago
In ΔHIJ, the measure of ∠J=90°, JI = 5, IH = 13, and HJ = 12. What is the value of the sine of ∠H to the nearest hundredth?
Arte-miy333 [17]

<u>Given</u>:

Given that HIJ is a right triangle.

The measure of ∠J is 90°, JI = 5, IH = 13, and HJ = 12.

We need to determine the value of sine of ∠H

<u>Value of sine ∠H:</u>

The value of sine ∠H can be determined by using the trigonometric ratios.

Thus, we have;

sin \ H=\frac{JI}{IH}

Substituting the values, we get;

sin \ H=\frac{5}{13}

Dividing, we get;

sin \ H=0.3846

Taking sin^{-1} on both sides, we have;

H=sin^{-1}(0.3846)

H=22.6189

Rounding off to the nearest hundredth, we get;

H=22.62^{\circ}

Thus, the measure of ∠H is 22.62°

3 0
3 years ago
Read 2 more answers
Solve for x: 1 &lt; x + 3 &lt; 4
Otrada [13]

Answer:

The answer is D

Step-by-step explanation:

1 - 3 < x < 4 - 3 \\  - 2 < x < 1

8 0
3 years ago
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