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3 years ago

Find the slope and y-intercept for the table. slope: y-intercept:

Mathematics

1 answer:

Alenkasestr [34]3 years ago

6 0

Answer:y is 60 slope is -10

Step-by-step explanation:

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Drag the point on the coordinate plane to the solution of the system of equations shown below: y=-2x-1 y = x + 2

Sveta_85 [38]

Answer:

(1,-1)

Step-by-step explanation:

-2x-1 = x+2

-3x = 3

x = -1

substitute

y = (-1) + 2

y = 1

point: (1,-1)

3 0

3 years ago

Somebody help me lol

vladimir2022 [97]

Answer: $1.03*10^{-1}>3.1*10^{-2}>2.01*10^{-3}>2.32*10^{-4}>4.2*10^{-5}$

Step-by-step explanation:

1. A number written in scientific notation has the following form:

$a10^{b}$

Where is $a$ is a number between 1 and 10 but not including 10, and b is an integer.

2. The negative exponent indicates the number of places the decimal point must be moved to the left to obtain the number as a decimal number.

3. Keeping this on mind, you can know that: if the exponent of a number written in scientific notation indicates that the decimal point must be moved 5 places to the left and another number written in scientific notation indicates that the decimal point must be moved 2 places to the left, then the first number is smaller than the second one.

4. Therefore, you can arrange the numbers given in the problem as following:

$1.03*10^{-1}>3.1*10^{-2}>2.01*10^{-3}>2.32*10^{-4}>4.2*10^{-5}$

3 0

3 years ago

A sphere has a diameter of 14 ft. What is its surface area? The surface area of the sphere is ft squared. (Type an exact answe

-BARSIC- [3]

Answer:

The Formula is 4 x Pi x Radius Squared . surface area of sphere = 4 x pi x radius x radius where "x" indicates multiplication and pi = approximately 3.141592654 4 * pi * r^2

Step-by-step explanation:

4 0

3 years ago

Please help!!! Will mark brainliest answer if correct!!!!

AlekseyPX

Answer:

x=4 and y=2

Step-by-step explanation:

Name the triangles as ABC and DEF,

Now, since both the triangles are congruent by HL rule, therefore

$3y=x+2$ (1)

and $x=y+2$ (2)

Substituting the value of $x=y+2$ in equation (1), we get

$3y=y+2+2$

$2y=4$

$y=2$

Therefore, Putting y=2 in equation (2),

$x=4$

6 0

3 years ago

In each pear the first value is the regular price of an item and the second value is the price with gratuity. Identify the pair

lina2011 [118]

The price that does not belong is 16,18.40. You do this by finding the percent gratuity, which is 15%. All the other values have 15% gratuity except the $16.

3 0

3 years ago