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MaRussiya [10]
4 years ago
13

Which image shows -1 7/8 on a number line? A. B. C. D.

Mathematics
1 answer:
Blababa [14]4 years ago
3 0

Answer:

The number line is attached below.

Step-by-step explanation:

The number to be plotted on the number line is:

x=-1\frac{7}{8}

The value of <em>x</em> lies between -2 and 0.

Draw a number line from -2 to 0 with intervals at every one-eight value.

Mark the point at x=-1\frac{7}{8}.

The number line is attached below.

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Please help me and answer with work! Due tomorrow!​
ELEN [110]

Answer:

Step-by-step explanation:

a.

The angles given are 62° and 90°.

We know sum of angles in any triangle is 180° so the third angle must be 180-90-62 = 28°

We can find the sides if we know trigonometric functions

sin28° = opp. side/ hypothenuse = CA/BA = 8/BA

BA = 8/sin 28° ≈ 17

tan62°= opp.side/adj.side= BC/AC = BC/8

BC = 8 · tan62° ≈ 15

b.

We are given 2 sides 8.5 and 6.5 and that one angle is right, so the triangle is a right triangle, therefore we can apply Pythagorean Theorem to find the third side.

6.5² +FD² = 8.5², subtract 6.5² from both sides

         FD² = 8.5²- 6.5², square and combine like terms

         FD² = 30, square-root both sides

          FD = √30

          FD ≈ 5.47722, round to the nearest tenth

          FD ≈ 5.5

We can find the angles if we know trigonometric functions.

sin ∡D = FE/DE = 6.5/8.5

     ∡D = sin^-1 (6.5/8.5)

    ∡D ≈ 49.9°

cos ∡E = FE/DE = 6.5/8.5

      ∡E = cos^-1 (6.5/8.5)

      ∡E ≈ 40.1°

6 0
2 years ago
The width of a photograph is 4 centimeters more than three tenths of the length. If the width is 13 centimeters, what’s the leng
Nesterboy [21]

Answer:

30 centimeters

Step-by-step explanation:

since the width is 4 centimeters more than 3/10 of the length, then 13 is 4 centimeters more than 3/10 of the length. 4 less than 13 is 9, so nine is 3/10 of the length. if 9 is 3/10, then 3 is 1/10 because 3/10 is three times 1/10. If 3 is 1/10, that means that 30 is the length because 1/10 multiplied by 10 is 10 tenths, or 1.

7 0
3 years ago
I need to know the answer please help! and thank you!
Snowcat [4.5K]

Answer:

v/2

Step-by-step explanation:

First, if we expand the expression we know that it is equal to (4/8)*(v^3/v^2)

We can simplify the numbers to get (1/2)*(v^3/v^2)

We know that division of exponents is just subtraction of them, so v³/v² = v^(3-2) = v^1 = v

So, the answer is 1/2 * v or v/2

I hope this helps!

7 0
3 years ago
If f(x) =3x2 and g(x)=4x3+1, what the degree of (f•g)(x)?<br><br> 2<br> 3<br> 5<br> 6
atroni [7]

f(x) = 3x²

g(x) = 4x³ + 1

f(g(x)) = 3.(4x³ + 1)²

As we know

(a + b)² = a² + 2.a.b + b²

So,

(4x³ + 1) = (4x³)² + 2.4x³.1 + 1² = 4x^6+8x^3+1

f(g(x)) = 3.(4x^6+8x^3+1)

The degree is the maximum exponent, so, 6.

4 0
4 years ago
Mario is setting up a new tent during a camping trip. The tent came with 7 feet of rope. The instructions are to use 34.5 inches
vampirchik [111]

An equation is formed of two equal expressions. The number of sections that Mario can cut from the rope is 6.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Let the number of 8 1/4 - inch sections of rope Mario can cut from the rope be x.

Since the total length of the rope is 7 feet, which is equal to 84 inches(1 foot=12 inches), the instructions are to use 34.5 inches of the rope to tie a tarp on top of the tent. Therefore, the rope for the 8 1/4 inches section is,

Rope left = 84 inches - 34.5 inches

Since the length of a single section is 8 1/4 inches(8.25 inches), therefore the number of sections that can be made from the remaining section is,

The number of sections, n = Rope left/8.25 inches

                                             = (84 -34.5)inches /8.25 inches

                                              = 6

Hence, the number of sections that Mario can cut from the rope is 6.

Learn more about Equation:

brainly.com/question/2263981

#SPJ1

7 0
2 years ago
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