2 years ago

MATH which graph has an axis of symmetry at x=-1

Mathematics

1 answer:

neonofarm [45]2 years ago

8 0

Answer:

A

Pls mark brainliest

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a tank is 3/7 full of water.After removing 420 litres it became 12/35 full .how much can the tank hold when full?

insens350 [35]

Answer:

4900 Litres

Step-by-step explanation:

First we need a common demoninator:

3/7=15/35

Then we subtract the two to figure out how much 420 Litres is:

15/35-12/35=3/35

3/35=420 litres

Divide amount by the numerater for thow much 1/x is.

1/35=140

and multiply by the denomenator to get a full number on your fraction, and therefore a full tank.

140 x 35 = 4900

5 0

1 year ago

A garden in the shape of an equilateral triangle

Strike441 [17]

Answer:

area is $25\sqrt{3}$

Step-by-step explanation:

the hight is $5\sqrt{3}$

$5\sqrt{3}$ *10/2= $25\sqrt{3}$

8 0

2 years ago

Quadrilateral ABCD is translated up and to the right and then rotated about point Q. Which congruency statement is correct?

valentina_108 [34]

Answer:ABCD = ZYXW

Step-by-step explanation:

ABCD = WXYZ

ABCD = ZYXW

ABCD WZYX

ABCD = ZWXY

9 0

3 years ago

Set up a system of equations and then use your calculator to solve: In triangle ABC, the sum of angles and c is equal to three t

aalyn [17]

Answer:

Step-by-step explanation:

angle A = 40

angle B = 60

angle C = we don't know.

A + B + C = 180

C = 180 - A - B

C = 180 - 40 - 60

C = 80

40 + 60 + 80 = 180

180 = 180...It checks!

4 0

2 years ago

Y + 3y + 5y = -18 what is the value of y

ANEK [815]

Answer:

y = -2

Step-by-step explanation:

Step 1: Combine like terms.

$(y+3y+5y)=-18$
$9y=-18$

Step 2: Divide both sides by 9.

$9y/9=-18/9$
$y=-2$

Step 3: Check if solution is correct.

$-2+3(-2)+5(-2)=-18$
$-2-6-10=-18$
$-18=-18$

Therefore, y = -2.

7 0

2 years ago