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IRINA_888 [86]
3 years ago
10

I need help!!

Mathematics
1 answer:
Semenov [28]3 years ago
7 0

Answer:3/7

Step-by-step explanation: 3/7 x 7/3 = 21/21 = 1

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The perimeter of a square is 28x – 4.
Scorpion4ik [409]

Answer:

B

Step-by-step explanation:

Divide both 28x and -4 by 4 because a square has 4 equal sides. That comes out to 7x-1, therefore answer B is correct.

8 0
3 years ago
Quadrilateral EFGH is a scaled copy of quadrilateral ABCD. Select ALL of the true statements.
Anna007 [38]

Answer:

Segment EF is twice as long as segment AB.

The length of segment EH is 16 units.

Step-by-step explanation:

its

8 0
3 years ago
Vertex of y = −2(x−4)2 + 3<br> and identify it as a minimum or a maximum.
baherus [9]

An equation is formed of two equal expressions. The vertex of the equation y=-2(x-4)²+3 will lie at (4,3).

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.


If we plot the graph of y=-2(x-4)²+3, then the vertex of the graph will lie at (4,3).

Hence, the vertex of the equation y=-2(x-4)²+3 will lie at (4,3).

Learn more about Equation:

brainly.com/question/2263981

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4 0
1 year ago
A forest covers 72,000 acres. A survey finds that ​0.7% of the forest is​ old-growth trees. How many acres of​ old-growth trees
Vsevolod [243]
Jsjsjsjjdkdnxkwmkamskxmdkdkd
6 0
2 years ago
Marcia, Jan, and Sydney are sisters Jan is twice as old as Sydney. Marcia is two years older than Jan. Altogether the ages are u
Mrrafil [7]

Answer:

Step-by-step explanation:

m + j + s = 37

j = 2s......s = j/2 or 1/2j

m = j + 2

(j + 2) + j + (1/2j) = 37

2j + 1/2j = 37 - 2

2j + 1/2j = 35....multiply everything by 2 to get rid of the fraction

4j + j = 70

5j = 70

j = 70/5

j = 14 < ==== Jan is 14

m = j + 2

m = 14 + 2

m = 16 <==== marcia is 16

s = 1/2j

s = 1/2(14)

s = 14/2

s = 7 <==== sydney is 7

8 0
3 years ago
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