Fill in the blank.51+7=____+51

Answers

Answer 1

Answer: 51+7=7+51
the answer is 7

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Which expression has a value of 15 when n = 7? 43 minus 5 n 3 n minus 5 6 n minus 28 19 minus StartFraction 28 Over n EndFraction
How do you find the surface area for a cylinder? Steps please.
Y+2=x (tell whether x and y show direct variation)
What's 3,897.003 in expanded form.

3. (First picture answer options are the 4 graphs after it.)

Answers

Answer:

The correct graph is attached below.

Step-by-step explanation:

Given:

Initial temperature is 0°.

Decrease in temperature per hour is 12°.

Since, the initial temperature is 0°, the line must pass through the origin as temperature is plotted along the y-axis.

Also, decrease in temperature per hour is 12°. So, this represents the slope of the line. So, the slope should be -12 as there is decrease in temperature with increasing time.

So, the correct graph will be a line passing through origin and the slope of the line must be -12. Also, the temperatures will be along the negative y-axis as the values are decreasing with time.

Hence, the third graph is the correct one and is shown below.

Karleigh walks 5/8 mile to school every day. How far does she walk to school in 5 days?

Answers

Answer:

Unit rate defined as the rates are expressed as a quantity 1 such as 2 miles per hour or 5 meter per second.

As per the statement:

Karleigh walks 5/8 mile to school every day.

by definition of unit rate:

$\text{Unit rate per day}=(5)/(8) miles$

We have to find how far does she walk to school in 5 days.

$\text{Number of miles} =\text{Unit rate per day} * 5$

Substitute the given values.

$\text{Number of miles} =(5)/(8) * 5=(25)/(8) = 3(1)/(8)$

Therefore, $3(1)/(8)$ miles far does she walk to school in 5 days

5/8 x 5 = 25/8. When simplified it is 3 1/8

Answer: 3 1/8

Calculate the area of triangle QRS with altitude ST, given Q (0, 5), R (−5, 0), S (−3, 4), and T (−2, 3).A- 6.2 square units

B- 7 square units

C- 5.9 square units

D- 5 square units

Answers

we have that

$Q (0, 5)\nR (-5, 0)\nS (-3, 4)\nT (-2, 3)$

using a graph tool

see the attached figure

the Area of triangle QRS is equal to

$A=(1)/(2)*b*h\n A=(1)/(2)*RQ*ST$

1) Find the distance RQ

Applying the formula of distance

$d=\sqrt{(y2-y1)^(2)+(x2-x1)^(2)}$

$dRQ=\sqrt{(0-5)^(2)+(-5-0)^(2)}$

$dRQ=√((25)+(25))$

$dRQ=√(50) units$

2) Find the distance ST

$dST=\sqrt{(3-4)^(2)+(-2+3)^(2)}$

$dST=√((1)+(1))$

$dST=√(2) units$

3) Find the area of triangle QRS

$A=(1)/(2)*RQ*ST\n\n A=(1)/(2)*√(50)*√(2) \n\n A=(1)/(2)*√(100) \n \n A=(10)/(2) \n \n A=5 units^(2)$

therefore

the answer is the option

D- $5$ square units

The correct answer among the choices provided is option D. The area of triangle QRS with altitude ST is 5 square units. To solve for the area, the distance formula was used. The formula was substituted with the given values, QR=√[(-5-0)²+(0-5)²].

7 copies of one fourth

Answers

If you have one-fourth seven times, then all you have to do is multiply one-fourth times 7 to get the answer.

$(1)/(4) * 7 = (7)/(4) = 1 (3)/(4)$

7 copies of one fourth is one and three quarters.
Hope that helped =)

The perimeter of the new m-phone is 16 inches. The phones length is 5.25 inches. What is the width of the phone

Answers

Perimeter is all the sides added up together.
Divide 16 by 2, so that you can get just a measurement of the length and the width.

16/2 = 8

Since the length is 5.25, subtract that by 8.

8-5.25 = 2.75

The width of the phone is 2.75 inches.

Please hurry!!!! 20 ptsThe coordinates of the vertices of quadrilateral JKLM are J(−3, 2) , K(4, −1) , L(2, −5) , and M(−5, −2) .

Drag and drop the choices into each box to correctly complete the sentences.

The slope for JK¯¯¯¯¯ is , the slope of LK¯¯¯¯¯ is , the slope of ML¯¯¯¯¯¯ is , and the slope of MJ¯¯¯¯¯¯ is . Quadrilateral JKLM a parallelogram because .

*−1/2

*−3/7

*2

*4

*is

*is not

*both pairs of opposite sides are parallel

*only one pair of opposite sides is parallel

*neither pair of opposite sides is parallel

Answers

The slope for JK is -3/7, the slope of LK is 2, the slope of ML is -3/7, the slope of MJ is 2. Quadrilateral JKLM is a parallelogram because both pairs of opposite sides are parallel.

Answer:

Look at the picture below for the answers :)

Step-by-step explanation:

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