7th grade like 1st grade work but uh help please​

Answer:  the answer is B

Step-by-step explanation:

edge 2021

Answer:

b

Step-by-step explanation:

Answer:

Yep your very smart

Step-by-step explanation:

Answer:

yep

Step-by-step explanation:

since a triangle's total angle is 180 degrees,

(5x + 18) + (3x + 2) + (x + 16) = 180

9x + 36 = 180

9x = 144

x = 16

m<D = (3x + 2)

m<D = 3(16) + 2

m<D = 48 + 2

m<D = 50 (your answer)

Answer:

52.8

Step-by-step explanation:

Answer:

78qt= 19.5 U.S. gallons

Step-by-step explanation:

Answer:

≈ 63.43°

Step-by-step explanation:

Answer:

[tex]y = 7.3[/tex]

Step-by-step explanation:

Answer:

18 people preferred the color blue

Step-by-step explanation:

you switch the percent to a decimal and .30*60 is 18

Answer:

18 people

Step-by-step explanation:

26 red

16green

30blue

4black

24yellow

100percent=60

30=30×60÷100=18

Answer:

341

Step-by-step explanation:

l=

sin52/320sin123

​ ≈340.572≈341

Answer:

8 tickets

Step-by-step explanation:

To find how many she can buy, divide 36 by 4.5

36/4.5

= 8

So, Mai can buy 8 movie tickets

Answer: The first one is a. the second is b. The third is c and the fourth is d. All of the answers are correct

Step-by-step explanation:

Answer:

3x-1

Step-by-step explanation:

Let the area of the mint section = Length * Width

Given

Area = 6x²-2x

Length

Required

Width

A = LW

Substitute

6x²-2x = 2x(W)

2x(3x-1) = 2xW

Divide both sides by 2x

2x(3x-1)/2x = 2xW/2x

3x-1 = W

W = 3x-1

Hence the width of the mint section is 3x-1

Answer:

Step-by-step explanation:

16c(7g/4c)=28g

Answer:

I only know where da first one goes lol

Step-by-step explanation:

8.333333333333.... can be denoted using a fraction, therefore it's a rational number. It turns out that irrational numbers cannot be denoted using simple fractions.

Answer:

Oi tudo bem?

meu nome é Ana Kesia, e qual é o seu nome também?

Desculpe-me eu Nn consegui responder sua pergunta.

Mas mesmo assim, agradeço pelos pontos estava precisando.

tchau, tenha uma Ótima tarde!

Bons estudos nas suas atividades! ❤♥

Answer:

17/6

Step-by-step explanation:

Answer:

2 5/6

Step-by-step explanation:

4 1/3= 13/3

1 1/2= 3/2

lowest common denominator of 3 and 2 is 6 so:

13/3*2/2=26/6

3/2*3/3=9/6

26/6-9/6=17/6

17/6= 2 5/6

Answer: y=-5x+7

Step-by-step explanation:

You need to use the point slope formula to solve this equation.

Answer:

-8/16 or -1/2

Step-by-step explanation:

Hi, use the slope-intercept formula (rise over run)

(y₂-y₁)/(x2-x1)

(-9--1)/(9--7)

(-9+1)/(9+7)

-8/16

-1/2

Answer:

Multiplication

Step-by-step explanation:

7y means 7 times the value of y. So 7 times y = 7y

Answer:

SI=P*T*R/100

=3500*2*3/100

=210

Answer:

210

Step-by-step explanation:

3,500 × 3% × 2 years

Convert the 3% into a decimal

3% = 0.03

3,500 × 0.03 = 105

105 × 2 = $210

That is a question about spatial geometry.

In our problem, we have to calculate lateral surface area of a triangular prism. Let's see how to solve this.

A triangular prism has 5 faces: 3 equals rectangles and 2 equals triangles. If we can find a way to calculate those areas, we can solve the problem.

The first thing that we should note is that we know the dimensions of the rectangular faces. The dimesions of the rectangular are 5cm and 8cm. To calculate the are of a rectangle, we multiplicate the dimensios of it. Therefore, each rectangle (in our problem) has [tex]5 \times 8 = 40cm^2[/tex] of area. There are 3 rectangles, so, the sum of the 3 rectangular area is [tex]40 + 40 + 40 = 120cm^2[/tex].

Now, we need to know the area of the triangular areas. To calculate the area of a triangle, we need to know the value of the base and the value of the height.

In the image, we know the value of the base, but we do not know the value of the height. To calculate the height, we can use the Pythagorean Theorem because we have a right triangle. (Please find attached the document.)

The Pythagorean theorem says that:

[tex]\boxed{a^2 = b^2 + c^2}[/tex]

a is the hypotenuse and b and c are cathetus.

In this right triangle, the value of the hypotenuse is 5cm and the value of one cathetus is the half of 6cm (that is 3cm). Let's replace the values in the expression:

[tex]a^2=b^2+c^2\\5^2= 3^2 +c^2\\25 = 9 + c^2\\c^2 = 25 - 9\\c^2 = 16\\c = \sqrt{16} \\c = 4cm[/tex]

Now, we know the bases and the height of the triangular areas. To calculate the area of a triangle, we multiply the base and the height and we divided the result by 2. See the expression:

[tex]\boxed{A_t=\frac{b\times h} {2}}[/tex]

b is the base and h is the height. Let's replace the values in the expression:

[tex]A_t = \frac{b\times h}{2} \\A_t = \frac{6\times4}{2} \\A_t = \frac{24}{2} \\A_t = 12cm^2[/tex]

So, each triangular area has 12cm² of area. Therefore, the sum of the triangular areas is [tex]12 + 12 = 24cm^2[/tex].

Finally, we know that the sum of the rectangular area is 120cm², and the sum of the triangular area is 24cm², so, the lateral surface area is [tex]120 + 24 = 144cm^2[/tex].

In other words, they didn't choose the correct answer because the correct answer is J) 144 cm².

I hope I've helped. :D

Enjoy your studies. \o/

Explanation:

In this answer choice, we effectively have two columns. In the first column is simply R and B, with R over B. This represents spinning either red (R) or blue (B).

Depending on the outcome, you branch the same outcomes from that.

So if you spin R, then you'll have R and B branch off that. Same idea applies to blue as well.

Something like choice D doesn't work because we have R show up twice at the very bottom.

The tree diagram shows all the possible outcomes that Marissa can get

when she spins the arrow twice is choice D.

Sample space is the set of all possible outcomes the considered random experiment can result to.

Marissa is playing a game using the spinner below.

Red, Blue, Red, Blue

In this answer choice, we effectively have two columns. The first column is simply R and B, with R over B.

This represents spinning either red (R) or blue (B).

Depending on the outcome, you branch the same outcomes from that.

So, if you spin R, then you'll have R and B branch off that. The same idea applies to blue as well.

choice D doesn't work because we have R show up twice at the very bottom.

The tree diagram shows all the possible outcomes that Marissa can get

when she spins the arrow twice is choice D.

Learn more about the possible outcome;

https://brainly.com/question/9773761

#SPJ2

Answer:

Length of fencing: 4, 6, 7, 9, 10

Cost: 36, 54, 63, 81, 90

Step-by-step explanation: I hope this gave you your answer!!

Answer:

36

Step-by-step explanation:

Cuz negative times a negative is positive

I thought it was x for instance xdd

Answer:

2.35

Step-by-step explanation:

Answer:

2.35

Step-by-step explanation:

move decimal point left 2

Answer:

B and D

Step-by-step explanation:

a. 5t+4t =9t

b. t+5+4= t+9

c. 9t

d. 4×5×t= 20t

e. t(5+4)- do the inside the parenthesis first. =9t

the answer would me B and A because the answer isn't 9t so it would be those!! also the boxes on the right you multiply t×5 and t×4 and that would be 5t + 4t =9t

Answer:

7+5+12+2+9+2+3=40mn

Answer:

4mn - 6

Step-by-step explanation:

expressions => (-7mn) + 5, 9mn - 8, -2mn - 3

In addition, we get..... (-7mn + 9mn - 2mn) + (-3 - 8 + 5)

4mn + (-6)

=> 4mn - 6

Hope it helps.

9514 1404 393

Answer:

  vertex: (2, -3.2)

  axis of symmetry: x = 2

  zeros: x=0, x=4

  formula for axis of symmetry:

Step-by-step explanation:

a) The vertex x-coordinate is halfway between the zeros, so is x = (0+4)/2 = 2. It is where the graph has a turning point.

The vertex y-coordinate is the low point of this graph. It is not on a grid line, so we can only guess at its value. I choose to call it -3.2.

The vertex is (2, -3.2).

__

b) The axis of symmetry is the vertical line through the vertex. The constant in its equation is the x-coordinate of the vertex:

  x = 2

__

c) The zeros of the function are where the function crosses the x-axis. These are marked on the graph with red dots. The zeros are x=0 and x=4.

__

d) When the quadratic is written in standard form, ax^2 +bx +c, the equation of the axis of symmetry is ...

  x = -b/(2a) . . . . . perhaps this is the formula you're being asked for (?)

When there is no equation, the axis of symmetry can be found from the graph a couple of ways. One is to identify the x-coordinate of the vertex.

  x = <x-coordinate of the vertex>

Another is to average the zeros, since they are symmetrical about the axis of symmetry.

  x = average of zeros = (z1 +z2)/2

If the quadratic is written in vertex form, the vertex coordinate is the constant in the equation for the axis of symmetry.

  y = a(x -h)^2 +k . . . . . quadratic with vertex (h, k)

  x = h . . . . . . equation of axis of symmetry