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Nitella [24]
3 years ago
10

Add −1 3/10 + 2/5 using the number line.

Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0

Answer:

-9/10 (in between -1 and -4/5)

Step-by-step explanation:

-1 3/10+2/5

-1 3/10 + 4/10

-13/10+4/10

13/10-4/10=9/10

then put the negative sign in front of the 9/10.

(please give brainliest)

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A street sign is 9 feet 9 inches tall. How tall is it in inches?
sveta [45]

Answer: Hello, There! your Answer is Below.

117 Inches

Step-by-step explanation:

An inch is a unit of length equal to exactly 2.54 centimeters. There are 12 inches in a foot, and 36 inches in a yard

A foot is a unit of length equal to exactly 12 inches or 0.3048 meters.

<em>Hope this helps you!!!</em>

<em>Have a great day!!!</em>

3 0
3 years ago
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You plan to buy a house today for $220,000. if the real estate in your area is expected to increase in value by 2% each year, wh
kirill [66]
The multiplier each year is 1.02, so the multiplier for 7 years is 1.02^7.

220,000*1.02^7 ≈ 252,700

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4 significant figures is usually good enough for most real-world problems. (Unless you're counting pennies on your billion-dollar investment.)
4 0
4 years ago
The measurement of an angle is 40, and the length of a line segment is 8 centimeters the number of unique. Rhombuses that can be
Rufina [12.5K]

Answer:

The number of unique rhombuses that can be constructed is one.

Step-by-step explanation:

A rhombus is a 2D shape with 4 straight sides that are all equal length. Also opposite sides are parallel and opposite angles are equal.

The addition of the 4 angles in a rhombus is equal to 360°. We know that one angle is 40°, its opposite angle is also 40°, then the addition of the other 2 angles (which are equal) is 360° - 2*40° = 280°. The other 2 congruent angles measure 140°.

If you have the length of one side (8 cm in this case), you have the length of all sides.

In conclusion, with one side and one angle a rhombus is completely defined and it's unique.

3 0
4 years ago
Read 2 more answers
Partition segment MR into a 2:1 ratio with point L. What are the coordinates of L?
lisabon 2012 [21]

Answer:

<em>The coordinates of L are (4,5)</em>

Step-by-step explanation:

<u>Partition</u>

Given the points M(-2,-3) R(7,9), we must find a point L(x,y) such that the distance from M to L is double the distance from L to R. This means:

\overline{ML}=2.\overline{LR}

We'll apply that relation on both axes separately:

x_M-x=2(x-x_R)

-2-x=2(x-7)

Operating:

-2-x=2x-14

Joining like terms:

3x=12

Solving:

x= 12/3=4

Now for the y-axis:

y_M-y=2(y-y_R)

-3-y=2(y-9)

Operating

-3-y=2y-18

Joining like terms:

3y=15

Solving

y=15/3=5

Thus the coordinates of L are (4,5)

6 0
3 years ago
Write a matrix to represent the system of equations.
ioda

Answer:

7   -1   6  |  -8

7  -5   7   |  1

0    1    -4 | -5

Step-by-step explanation:

Note that there are four columns in this system, representing the variables x, y and z and constants.  So the given matrix pattern is appropriate:  It has three columns for the coefficients of x, y and z and one column for the constants.

We need only identify the coefficients and transfer them into the appropriate boxes of the matrix pattern.

We get:

7   -1   6   -8

7  -5   7     1

0    1    -4  -5

7 0
3 years ago
Read 2 more answers
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