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4 years ago

Find the missing side of the triangle

Mathematics

1 answer:

Oksana_A [137]4 years ago

3 0

Answer:

x = 2 $\sqrt{5}$

Step-by-step explanation:

2² + 4² = x²

4 + 16 = x²

$\sqrt{x^2}$ = $\sqrt{20}$

x = $\sqrt{2^2}$ × $\sqrt{5}$

x = 2 $\sqrt{5}$

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Mathew mowed lawns for 3 hours and earned $6.20 per hour. Then he washed windows for 4 hours and earned $6.90 per hour. What wer

Shtirlitz [24]

Answer:

$6.60

Step-by-step explanation:

6.20 x 3 = 18.60

6.90 x 4 = 27.60

18.60 + 27.60 = 46.20

46.20 ÷ 7 = 6.60

6 0

3 years ago

Need help with finding the surface area and volume for this please thanks I just need step by step help so I can understand it m

Allisa [31]

Answer:

144

Step-by-step explanation:

First, do the top and bottom. The top is 2*4*3 or 24, and the bottom is 6*4 or 24.

Now, do the sides. It is a staircase that you can split into 6 2x2 blocks, or 6*4=24. Do the same with the other side to get 24 again.

Now for the front and back. This is 2*4*3 and 6*4 again, or 24 and 24.

Now you have 6 24's so just multiply these and get 144.

6 0

3 years ago

If 8 = x + y and y > 0, then x is ___ 8.

ZanzabumX [31]

Answer:

X is < 8

Step-by-step explanation:

if y is >0 , then obviously X has to be smaller than 8 otherwise X+y won't be equal to 8

5 0

2 years ago

Read 2 more answers

Can someone help me with this question please.

ozzi

Answer:

x=88° a=+3 b=4a-3

Step-by-step explanation:

as triangles ADE and BCE are congruent by sss axiom

so correponding angles are equal

i.e<AED = <BEC

and <DAE =90-60

=30°

62°+x+30°=180°

therefore x=88°

5 0

4 years ago

One vegetable warehouse had 210 tons of potatoes, another one had 180 tons. 90 tons of potatoes were delivered to the first and

kow [346]

Answer:

The number of days in which the amount in warehouse #2 is 1.2 greater than warehouse #1 is 6 days.

Step-by-step explanation:

Let

x: number of days

y: amount of potatoes

We can express the amount of potatoes in each warehouse using linear equations:

Warehouse #1: $y_1 = 90x+210$

Warehouse #2: $y_2 = 120x+180$

We need to find the value of x when $1.2*y_{1} =y_{2}$

Substituting the expressions for y1 and y2 in $1.2*y_{1} =y_{2}$ :

$1.2*(90x+210) =120x+180$

Applying distributive law:

$108x+252 =120x+180$

Solving the equation by subtracting 108x and 180 on both sides:

$108x+252-108x-180 =120x+180-108x-180$

$252-180 =120x-108x$

$72 =12x$

Now we divide by 12 on both sides:

$\frac{72}{12} =\frac{12x}{12}\\6=x\\x=6$

Therefore, the number of days in which the amount in warehouse #2 is 1.2 greater than warehouse #1 is 6 days.

4 0

4 years ago