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jasenka [17]
4 years ago
12

Can someone please Evaluate -5(-2)(-3)

Mathematics
1 answer:
Sergio [31]4 years ago
4 0

-5(-2)(-3)

multiply -5 and -2 first

-negative sign and -negative sign= +positive sign

-5(-2)=10

(10)(-3)

+positive sign and -negative sign= -negative sign

answer:

-30

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ΔABC ​~ ΔDEC. ∠1 and ∠2 have the same measure. Find DC and DE.​ (Hint: Let DC=x and AC=x+3. Use the figure shown.)
Sveta_85 [38]
DC/AC=EC/BC
x/(x+3)=10/16
10(x+3)=16x
10x+30=16x
30=6x
x=5
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10/16=DE/AB,     DE=y

10/16=y/10
16*y=10*10
y=6.25≈6.3
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8 0
3 years ago
2 more than product of 6 and y
zheka24 [161]
The answer is: 2 + (6 * y)

Why?

It's asking for 2 more than, which is generally 2 +, the product, which signifies multiplication, of 6 and y, the numbers that are being multiplied.

Put all those terms together, you end up getting 2 + (6 * y).
4 0
4 years ago
Read 2 more answers
In each of the following equations, what is y when z=2? When x = 0? Where would the graph of each equation cross the y-axis? Hom
Lelechka [254]

Answer:

a. y = 3 × 0 + 15

y= 0+15

y= 15

Step-by-step explanation:

Subtitute the variables into the place they are denoted with and solve it

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5 0
2 years ago
A 100-foot rope from the top of a tree house to the ground forms a 45∘ angle of elevation from the ground. How high is the top o
DochEvi [55]

Answer:

The height of tree house is 70.71 feet

Step-by-step explanation:

We are given that A 100-foot rope from the top of a tree house to the ground forms a 45∘ angle of elevation from the ground

Refer the attached figure

Length of rope AC = Hypotenuse =100 feet

The top of a tree house to the ground forms a 45∘ angle of elevation from the ground =\angle ACB = 45^{\circ}

We are supposed to find the height of tree house i.e.AB = Perpendicular

So, Using trigonometric ratio

Sin \theta = \frac{perpendicular}{Hypotenuse}\\Sin 45= \frac{AB}{AC}\\\frac{1}{\sqrt{2}}=\frac{AB}{100}\\100 \times \frac{1}{\sqrt{2}}=AB\\70.71=AB

Hence The height of tree house is 70.71 feet

8 0
4 years ago
Vivian is getting a pet snake. She is choosing between the ball python and the corn snake. the ball python is 4 1/2 ft long and
Nadusha1986 [10]

Answer:

The 45 in snake is the shorter one.

Step-by-step explanation:

Which is shorter, 45 in or 4 1/2 ft?

                                                                                        12 in

Convert 4 1/2 ft into inches by multiplying 4 1/2 ft by --------- = 54 in.

                                                                                          1 ft

Thus, the 45 in snake is shorter than the 54 in one and should b e V's first choice.

8 0
4 years ago
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