What is the value of (-3.2)(- 1.5) ?

Answers

Answer 1
Answer:

Answer:

4.8

Step-by-step explanation:

When you multiply two negative number you get a positive number.


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A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna. If the wire makes an angle of 58deg 20min with the group find the length of the wire.

Answers

Answer:

The length of the wire is 76.19 m.

Step-by-step explanation:

It is given that a guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

It means base of the right angled triangle is 40 m.

The wire makes an angle of 58deg 20min with the ground.

1 degree = 60 min

Using this conversion convert the given angle in degree.

58^(\circ)20'=58^(\circ)(20)/(60)^(\circ)=58(1)/(3)^(\circ)=(175)/(3)^(\circ)

In a right angled triangle

\cos \theta=(adjacent)/(hypotenuse)

\cos ((175)/(3)^(\circ))=(40)/(hypotenuse)

0.525=(40)/(hypotenuse)

hypotenuse=(40)/(0.525)

hypotenuse=76.190

Therefore the length of the wire is 76.19 m.

Steve's mom's age is 7 years less than 3 times Steve's ages.​

Answers

Answer:

y = 3x + 7

(Not sure what the question was so, I just put it in slope intercept form)

Step-by-step explanation:

Let x be Steve's age.

Steve = x

Steve's Mom = y

Now let's create an equation:

y - 7 = 3x

y = 3x + 7

(Not sure what the question was so, I just put it in slope intercept form)

Please let me know if I misunderstood the question that way I can help you! <3

Answer:

Steve's mom is 65.

Step-by-step explanation:

Let s = Steve's age.

s + (3s - 7) = 65

4s - 7 = 65

4s = 72

s = 18

Check:

Steve is 18

His mom is (3 * 18) - 7 = 54 - 7 = 47

14 + 47 = 65

Yep.

18 + 47 = 65

Solve the inequality 5y + 4 < 3y + 17

Answers

Answer:

y<13/2

Step-by-step explanation:

5y + 4 < 3y + 17

5y-3y<-4+17

2y<13

y<13/2

Answer:

y<6.5

Step-by-step explanation:

5y+4<3y+17

Subtract 3 from both sides

2y+4<17

Subtractc4 from both sides

2y<13

Divide both sides by 2

y<6.5

Which of the four Venn diagrams represents this?

Answers

Answer:

I would day option B does

Answer:

A is the correct answer

Step-by-step explanation:

What is the answer to this?
Multiply

1/4 x -2=

Answers

Answer:

-0.5

Step-by-step explanation:

Answer:

−8x+1  / 4x

Step-by-step explanation:

HELP PLEASE ITS DUE NOW

Answers

Answer:

c, last one.

It shows positive

give brainilest

Step-by-step explanation