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Studentka2010 [4]
3 years ago
13

Alen is learning to scuba dive. The equation S = 26M + 20 represents the

Mathematics
1 answer:
bija089 [108]3 years ago
8 0

Answer:

228 feet

Step-by-step explanation:

Since M represents the number of lessons he completes,

sub M=8 into S=26M+20

S=26(8)+20

=228

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True or false If two planes cross one another, then their intersection is two lines
fredd [130]
THE ANSWER IS TRUE IF THEY CROSS PATHS WITH EACH OTHER THAN YES



8 0
4 years ago
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Laqueta has three times as many quarters as Pablo if they each spend $.50 Laqueta will have five times as many quarters as Pablo
masya89 [10]

Answer:

Number of quarters with Pablo = 4

Number of quarters with Laqueta = 12

Step-by-step explanation:

Given that:

Laqueta has three times as many quarters as Pablo.

They both spend $0.50.

After that Laqueta will have 5 times as many quarters as Pablo.

To find:

Number of quarters with Laqueta and Pablo now?

Solution:

Let number of quarters with Laqueta = x

Let number of quarters with Pablo = y

As per given statement:

x=3y ..... (1)

In $0.50, there are 2 quarters:

After spending $0.50, number of quarters left with both of them:

Number of quarters left with Laqueta = x - 2 =  3y-2

Money left with Pablo = y - 2

As per given statement:

3y-2 = 5(y-2)\\\Rightarrow 3y-2 = 5y-10\\\Rightarrow 2y = 8\\\Rightarrow y = 4

Therefore, the answer is:

Number of quarters with Pablo = 4

Number of quarters with Laqueta = 3 \times 4 = 12

8 0
3 years ago
Write the equation of a line that safely lands the plane. Press submit to see if the plane lands safely.
Colt1911 [192]

Answer:

y = \frac{3}{4}x - \frac{1}{4}

Step-by-step explanation:

First, find the slope using the points (3, 2) and (-1, -1):

Slope = m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{-1 - 2}{-1 - 3} = \frac{-3}{-4} = \frac{3}{4}

Find the y-intercept, b, by substituting x = -1, y = -1 and m = ¾ in y = mx + b.

-1 = ¾(-1) + b

-1 = -¾ + b

Add ¾ to both sides

-1 + ¾ = b

(-4 + 3)/4 = b

-¼ = b

Substitute m = ¾ and b = -¼ in y = mx + b.

The equation would be:

✅y = \frac{3}{4}x - \frac{1}{4}

4 0
3 years ago
3 A new club opens with 20 members, plus an unknown number of members from another club. The club allows only members to join on
Marina86 [1]

Step-by-step explanation:

let the unknown members be X

At first, the club had 20 + X members

After the first year,

2( 20+X)

The second year,

2( 20 +X/2) +40

The third year,

3[2(20+ X/2) +40]

Total number =

20+X + 2(20+X) + 2( 20 +X/2) +40 +3[2(20+ X/2) +40]

= 20+ X + 40+ 2X + 40 +2X/2 +40 +3[40+2X/2 +40]

= 20+40+X +2X +40+X+ 40 + 3[ 40+40+X]

= 60 +3X +80+X + 3[80+X]

= 140+4X + 240+3X

=380 + 7X

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X = -54.3

4 0
3 years ago
This is 23 points please help me or i’m gonna fail
Sergeeva-Olga [200]

Answer:

A

Step-by-step explanation:

5 0
4 years ago
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