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erma4kov [3.2K]
3 years ago
13

7th-grade math help me, please :(

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
5 0

Answer:

=

Step-by-step explanation:

5 4/5=5.8

4/5=0.8

nadya68 [22]3 years ago
4 0

Answer:

=

Step-by-step explanation:

5\frac{4}{5} = \frac{5.5 + 4}{5} = \frac{29}{5}

\frac{29}{5}=\frac{58}{10} = 5,8

So: 5\frac{4}{5} = 5.8

Hope this helps ^-^

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If Alice would to leave her house around 6:30am and get back about 7:15am, but its a 21 mintue walk to and back. Will she make i
Naddik [55]
Before 7:15 is the answer.

6:30 + 21 minutes + 21 minutes puts the time back at 7:12.
5 0
3 years ago
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Seven out of 13 students that apply to Biglarge University will get accepted. If
lawyer [7]

Answer:

6032

Step-by-step explanation:

7 out of 13 are accepted, so in total 0.538 % is accepted.

So 3248 / 0.538 = 6032 students applied.

5 0
3 years ago
What is an equation of the line that passing through the points (-2, -5) and (4, 7) ?
monitta

Answer:

y=2x-1

Step-by-step explanation:

Use the slope-intercept formula: y=mx+b where m is slope and b the y-intercept.

(-2,-5)(4,7)

Use the slope formula for when you have two points:

\frac{y(2)-y(1)}{x(2)-x(1)}=\frac{rise}{run}

Rise over run is the change in the y-axis over the change in the x-axis. Insert values:

\frac{7-(-5)}{4-(-2)}

Simplify parentheses (negative+negative=positive)

\frac{7+5}{4+2}

Simplify

\frac{12}{6}=2

2 is the slope:

y=2x+b

Now use one of the points to find the y-intercept by substituting the x and y values into the equation. Solve for b:

(4,7)

y=2x+b\\7=2(4)+b

7=8+b\\7-8=8-8+b\\7-8=b\\-1=b\\b=-1

The y-intercept is -1. Insert into the equation. Change the + symbol to -:

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Done.

6 0
3 years ago
Write4×4×4×4 in index​
JulijaS [17]

Answer:

4^4

Step-by-step explanation:

the answer is 4 to the power of 4

5 0
3 years ago
The weight of an object is equal to 3\4 of its own weight plus 3\4of a pound. What is the weight?
Phoenix [80]

Answer:

The weight of the object is 3 kg.

Step-by-step explanation:

<u>Step 1: </u>

Let object weight be x kg.

Now, as per the available data,

3/4 kg + 3/4 (x kg) = x kg

<u>Step 2: </u>

3/4 (1 + x) = x

1 + x = 4x/3

1 = x (4/3 - 1)

x = 1 / (1/3)

x = 3

Weight of Object is 3 kg.

<u>Step 3: </u>

Let's check if this value satisfies the first equation.

3/4 + 3/4 x 3 = 3/4 + 9/4 = 12/4 = 3

Hence proved.

8 0
3 years ago
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