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Maksim231197 [3]

3 years ago

10

Daisies phone calls for an ask her to meet at the park in exactly 40 minutes which method should daisy use to most accurately de

termine when 40 minutes have passed?

2 answers:

NeX [460]3 years ago

8 0

She should keep in mind the time the call was placed

Alex787 [66]3 years ago

3 0

Answer:

C

Step-by-step explanation:

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What is the value of y in this system of equations: 3x + y = 9 y = –4x + 10 ?

Ahat [919]

<span>3x + y = 9 (I)
</span><span>y = –4x + 10 (II)
------------------------
</span> $\left \{ {{3x + y = 9 } \atop {y = -4x + 10 }} \right.$

Pass the incognito "4x" to the first term, changing the signal when changing sides.
<span>-------------------------
simplify by (-1)
</span> $\left \{ {{3x + y = 9.(-1)} \atop {4x + y = 10 }} \right.$ <span>

-------------------------
</span> $\left \{ {{- 3x - \diagup\!\!\!\!y =-9} \atop {4x + \diagup\!\!\!\!y = 10}} \right. 
$
<span>
-------------------------
</span> $\left \{ {{- 3x = - 9} \atop {4x = 10}} \right.$ <span>

-----------
</span> $\boxed{x = 1}$ <span><span>

</span></span><span>Substitute in equation (I) to find the value of "Y".

</span>3x + y = 9 (I)
3*(1) + y = 9
3 + y = 9
y = 9 - 3
$\boxed{y = 6}$

Answer:
$\boxed{\boxed{ \left \ {{x=1} \atop {y=6}} \right. }}$

6 0

3 years ago

Order 74.585, 74.586, 74.486, and 74.587 in decreasing order.

Veseljchak [2.6K]

Answer:

74.587, 74.586, 74.585, 75.486

Step-by-step explanation:

yes

6 0

2 years ago

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Find the area of this figure (50 points)

Softa [21]

Answer:

$A_{total} = 14\ in^2$

Step-by-step explanation:

<u>Step 1: Determine the area of the left rectangle</u>

We can tell that the total shape seems like two rectangles glued together. We can separate the left rectangle and determine the area of it and then determine the area of the right rectangle and combine them. Lets first solve the left rectangle.

$A = l * w$

$A_{left\ rectangle} = 2\ in * 4\ in$

$A_{left\ rectangle} = 8\ in^2$

<u>Step 2: Determine the area of the right rectangle</u>

$A = l * w$

$A_{right\ rectangle} = 3\ in * 2\ in$

$A_{right\ rectangle} = 6\ in^2$

<u>Step 3: Determine the total area</u>

$A_{total}=A_{left\ rectangle} + A_{right\ rectangle}$

$A_{total} = 8\ in^2 + 6\ in^2$

$A_{total} = 14\ in^2$

Answer: $A_{total} = 14\ in^2$

4 0

2 years ago

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Solve the equation. Show your work. 45 = 3 b + 69

Natalija [7]

45 = 3b + 69
Subtract 69 from both sides.

-24 = 3b
Divide both sides by 3.

-8 = b
b = -8

8 0

3 years ago

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Martin puts two bowls of fruit out for his friends.The bowl of grapes has 9 green grapes and 16 red grapes. The bowl of tangerin

Anarel [89]

Answer:

27/250

Step-by-step explanation:

P(a green grape and a seedless tangerine)

=P(green grape) x P(seedless tangerine)

The bowl of grapes has 9 green grapes and 16 red grapes.

P(green grape)=green grapes / total grapes

=9/(9+16)

=9/25

The bowl of tangerines has 7 seeded and 3 seedless tangerines.

P(seedless tangerine)=seedless / total

=3/(3+7)

=3/10

P(a green grape and a seedless tangerine)

=9/25 x 3/10

=27/250

8 0

3 years ago

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