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4 years ago

I think I've got it but can someone help with all plz

Mathematics

2 answers:

Lemur [1.5K]4 years ago

8 0

The top left is correct fosho

Nadya [2.5K]4 years ago

3 0

Top left is correct.

Bottom left:
y is correct and x is also 70.

Top right:
y=180-118-(180-128)
y=180-118-52
y=62-52
y=10
x=180-10-(180-118)
x=180-10-62
x=170-62
x=108

Bottom right:
x=180-50
x=130
y=180-50-44
y=130-44
y=86

Hope this helps :)

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A. Identify the percentage, rate and base.

Finger [1]

Answer:

1. rate = 30, base = 40, percentage = 12

2. rate = 6, base = 24, percentage = 25

3. rate = 16, base = 64, percentage = 25

4. rate = 4, base = 50, percentage = 20

5. rate = 75, base = 80, percentage = 60

Step-by-step explanation:

5 0

3 years ago

A newborn baby's weight increased by 50% in one month. If the baby weighed 8 pounds at birth, how much did it weigh one month la

fomenos

It would weigh 12 lbs because 50% of 8 is 4 and 4 + 8 = 12 lbs.

7 0

4 years ago

Read 2 more answers

I really need number 11 , the answers and steps please. If anyone wants to help me with number 12 go ahead tho

svlad2 [7]

Basically, the distance of roots to the axis of symmetry are the same to each other. Other root is -5.6. Hope this help.

6 0

3 years ago

______1. 2 + 3 = 9 ______2. 4 > 5 + 7 ______3. 9 = 12 + 2 ______4. 2 − 3 ≥ 2 ______5. 61 ≠ 5 − 12

Makovka662 [10]

Answer:

1. Not True

2. Not True

3. Not True

4. Not True

5. True

Step-by-step explanation:

As given,

2 + 3 = 9

⇒ 5 = 9

Not True

4 > 5 + 7

⇒4 > 12

Not True

9 = 12 + 2

⇒9 = 14

Not True

2 - 3 ≥ 2

-1 ≥ 2

Not True

61 ≠ 5 - 12

⇒61 ≠ -7

True

5 0

3 years ago

Solve the system. Enter the smallest x-coordinate first

pentagon [3]

$y= 3 \,\,,\,\,x= -2 \,\,and\,\, y=3\,\,,\,\, x=2$

Step-by-step explanation:

Solving the following system of equations:

$x^2-y=1\\2x^2+y^2=17$

Let

$x^2-y=1\,\,\,(1)\\2x^2+y^2=17\,\,\,(2)$

Putting value of x^2 in eq(2)

$x^2 = 1+y\\Putting\,\,value\,\,of\,\,x^2\,\,in\,\,eq(2)\\2(1+y)+y^2=17\\2+2y+y^2=17\\y^2+2y+2-17=0\\y^2+2y-15=0\\Factorizing:\\y^2-3y+5y-15=0\\y(y-3)+5(y-3)=0\\(y+5)(y-3)=0\\y+5=0 \,\,and \,\, y-3=0\\y = -5 \,\,and \,\, y=3$

Now, finding value of x

Putting y=-5

$x^2 = 1+y\\x^2=1-5\\x^2=-4\\Taking\,\,square\,\,root\\x= \pm2i$

y=-5, x= 2i and y=-5 , x= -2i

Since we need to find x and y coordinates and its value cannot be in terms of i so we will not consider these as answer

Putting y=3

$x^2 = 1+y\\x^2=1+3\\x^2=4\\Taking\,\,square\,\,root\\x= \pm2$

So, $y= 3 \,\,,\,\,x= -2 \,\,and\,\, y=3\,\,,\,\, x=2$

Keywords: system of equations

Learn more about system of equations at:

#learnwithBrainly

8 0

3 years ago