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3 years ago

Help me please, brainliested ;)

Mathematics

2 answers:

Natali [406]3 years ago

4 0

Answer:

It is a horizontal line across the y-axis, at the value of -five.

Step-by-step explanation:

Like this black line

jenyasd209 [6]3 years ago

3 0

Answer:

put a dot on -5 on the y axis

Step-by-step explanation:

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HELP PLEASE! Write and solve the equation: The squares are identical. What is the area of each square?

Zarrin [17]

If a=4:

HOW TO FIND THE AREA

<h2>A=4a (formula)</h2>

A=4*4

A=16

If it's 100:

A=4*100

A=400

7 0

3 years ago

Read 2 more answers

Emma has 53 marbles.she gets some marbles from Fred.then she gives 10 marbles to tessie.she now has 58 marbles how many marbles

nata0808 [166]

53+n=(58+10)
n=15
emma got 15 marbles from fred

8 0

3 years ago

Using diagonals from a common vertex, how many triangles could be formed from a 20-gon?

vodka [1.7K]

Answer: 320 triangles

Step-by-step explanation: Triangles can be drawn utilizing one side of the polygon. In the event that we take one side, at that point there are a add up to of 16 triangles that can be drawn and we have 20 sides. So, add up to 20×16=320 triangles.

8 0

3 years ago

Kay has 28 coins which includes nickels and dimes if the total is 2.35$, how many of each coin does Kay have?

m_a_m_a [10]

Answer:9 nickels and 19 dimes.

Step-by-step explanation:

Let $n$ be the number of nickels Kay has.

Let $d$ be the number of dimes Kay has.

Value of $1$ nickel is $ $0.05$

Value of $n$ nickels is $ $0.05n$

Value of $1$ dime is $ $0.1$

Value of $d$ nickels is $ $0.1dn$

Given that Kay has a total of $28$ coins.

So, $n+d=28$ ...(i)

Given that Kay has a total value of $ $2.35$

So, $0.05n+0.1d=2.35$ ...(ii)

Using (i) and (ii),

$0.05n+0.1(28-n)=2.35\\0.05n+2.8-0.1n=2.35\\2.8-2.35=0.05n\\0.45=0.05n\\n=9$

$d=28-n=28-9=19$

4 0

4 years ago

The volume of the rectangular prism is 18 cubic feet more than the volume of the right triangular prism. Find the volume of each

zvonat [6]

Volume of rectangular prism = length * width * height

Volume of triangular prism =( length * height * base )/2

Given,

Volume of rectangular prism = 18 + volume of triangular prism

$6*x*3 = 18 + \frac{7*x*4}{2}$

18x = 18+14x

4x=18

x= 4.5 ft

So volume of rectangular prism = 6* 4.5* 3 = 81 ft³

Volume of triangular prism = (7* 4.5 * 4) / 2 = 63 ft³

5 0

3 years ago