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ladessa [460]
3 years ago
6

Can you please help me

Mathematics
1 answer:
Tanya [424]3 years ago
3 0
A. is (-5, -3)
You always name the coordinate by going left and right (along the x-axis) first and then up and down (the y-axis). That's because the first point in the coordinate is the x-coordinate and the second point is the y-coordinate.

You can remember this by thinking "you always walk to the elevator (left and right), before you ride the elevator (up and down)."
Or another saying is "You crawl (left and right) before you walk"
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If y represents a number, write an expression for 4 more than 3 times the number
Kazeer [188]

We need to multiply Y by 3 since it says "3 times the number".

3Y; next we need to add 4 since it says 4 more.

3y+4; the reason I knew to put it in this order is because it said 4 more than 3 times, which means you add 4 after you multiply.

The expression is 3Y+4

6 0
3 years ago
A rectangle is divided into five triangles as shown. Noa h sa ys that the area of triangle A ls half the area of triangle B. Do
makkiz [27]

Answer:

SLLSSLSLSL

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
A triangle has the lengths of (10a+9) centimeter,(8a—3) centimeters and (10b+7). Which expression represents the perimeter in ce
marysya [2.9K]

Answer:

P = (18a+10b+13) cm

Step-by-step explanation:

Given that,

A triangle has the lengths of (10a+9) cm, (8a—3) cm and (10b+7) cm.

We need to find an expression that represents the perimeter of the triangle.

Perimeter = sum of all sides

P = (10a+9) + (8a-3) + (10b+7)

Taking like terms together,

P = (10a+8a)+10b+(9-3+7)

= 18a+10b+13

Hence, the epresssion for the perimeter is (18a+10b+13) cm.

6 0
3 years ago
Which value of x makes the open sentence true?
xeze [42]

Answer:

x=1/2 or 0.5

B. 0.5

Step-by-step explanation:

Step one: Add x to both sides

you then get the equation 7=4x+5

Step two: subtract 5 from both sides

you then get the equation 2=4x

Divide both sides by 4 to undo the multiplication.

2/4=4x/4x

you get x=2/4 which simplifies to 1/2.

7 0
3 years ago
Evaluate the expression if y=4.4 and z= 12<br> z2+ 8y
Evgen [1.6K]

Answer: <em>59.2</em>

Step-by-step explanation:

<em>Take your equation</em>

<em>z2+8y</em>

<em>Now plug in the values given</em>

<em>(12)2+8(4.4)</em>

<em>24+35.2</em>

<em>59.2</em>

5 0
3 years ago
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