Find the missing number + 8 = 4

Find two consecutive even integers such that the lesser added to three times the greater gives a sum of 46.

kvv77 [185]

N; n + 2 - the two consecutive even integers

n + 3(n + 2) = 46
n + 3n + 6 = 46 |subtract 6 from both sides
4n = 40 |divide both sides by 4
n = 10

n + 2 = 10 + 2 = 12

Answer: 10 and 12.

5 0

3 years ago

Got this one wrong can someone help me solve it

galina1969 [7]

Answer:

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Step-by-step explanation:

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4 0

2 years ago

Jared measured a house and its lot and made a scale drawing. The scale of the drawing was 5 millimeters : 3 meters. The actual l

alukav5142 [94]

Answer:

115mm

Step-by-step explanation:

5/x = 3/69

5/x = 1/23

5*23 = x

115 = x

4 0

2 years ago

Help!!!! Somebody help me solve these questions please

kykrilka [37]

Step-by-step explanation:

Area of a trapezium = SOPS/2 × ph

Sops is the sum of 4+10 = 14

14/2 is 7. 7×4 = 28

A = 28cm²

Area = L×W

10×6= 60cm²

5 0

3 years ago

Read 2 more answers

A backyard pool has a concrete walkway around it that is 3 feet wide on all sides. The total area of the pool and the walkway is

Gnoma [55]

Answer:

<h2>29.4 length and 21.4 width.</h2>

Step-by-step explanation:

To fin the dimensions of the pool we need to use the total area of the pool plus the concrete walkway. Lets say that W is the width and L the length. We know that, the walkway has 3 ft wide, this means that the width and length are increased by 6ft (3ft on each side). So, the total area can be expressed like this: $A_{total} = (L+6)(W+6)$ .

In addition, we know that the total area is 970 and the length is 8 ft longer than the width ( $L=W+8$ ). So:

$A_{total} = (L+6)(W+6)\\970 = (W+8+6)(W+6)\\970=W^{2}+20W+84\\W^{2}+20W-886=0$

With this quadratic equation we're gonna have to solution, the most reasonable is part of the answer. So, solving the equation we have as solutions: $W_{1}=21.4$ and $W_{2}=-41.4$

Therefore, the width is 21.4 ft, because the negative number cannot represent distances.

Using the relation between length and width:

$L=W+8\\L=21.4+8=29.4$

Therefore, the dimensions of the pool are 29.4 length and 21.4 width.

7 0

3 years ago

Find the missing number + 8 = 4​

Find the missing number + 8 = 4