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andreyandreev [35.5K]
2 years ago
8

DOES SOMONE KNOW HOW TO DO THIS???????

Mathematics
1 answer:
Free_Kalibri [48]2 years ago
4 0

Answer:

x=34

Step-by-step explanation:

the sum of all angles = 180

116+30=146

180-146=34

x=34

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Brainiest if correct please help!!!
Vinil7 [7]
c for the first one !
3 0
3 years ago
Heidi solved the equation 3(x + 4) + 2 = 2 + 5(x – 4). Her steps are below: 3x + 12 + 2 = 2 + 5x – 20 3x + 14 = 5x – 18 14 = 2x
saveliy_v [14]

step 1: distributive property.

step 2: combine like terms.

step 3: subtraction property of equality.

step 4: addition property of equality.

step 5: division property of equality.  

hope this helps.

3 0
2 years ago
Read 2 more answers
Perform the operation and write the answer in simplest form. 2 1/5 ÷ 31/5
Vinil7 [7]

<u>Answer:</u>

\frac{11}{31}

<u>Step-by-step explanation:</u>

We are given the following expression and we are to perform operation and write the answer in simplest form:

\frac { 2 \frac { 1 } { 5 } } { \frac { 31 } { 5 } }

Changing the mixed fraction into improper fraction:

2\frac{1}{5} ---> \frac{11}{5}

Now simplifying it:

\frac { \frac { 1 1 } { 5 } } { \frac { 31 } { 5 } }

Changing the division sign to multiplication by taking the reciprocal of the denominator:

\frac{11}{5} \times \frac{5}{31}

\frac{11}{31}

5 0
2 years ago
Read 2 more answers
A rectangular box has length 20cm, width 6cm and height 4cm. find how many cubes of size 2cm that will fit into the box.​
Papessa [141]

<u>Answer:</u>

\boxed{\pink{\sf The \ number \ of \ cubes \ that \ can \ be \ fitted \ is 60 .}}

<u>Step-by-step explanation:</u>

Given dimensions of the box = 20cm × 6cm × 4cm .

Dimension of the cube = 2cm × 2cm × 2cm .

Therefore the number of cubes that can be fitted into the box will be equal to the Volume of box divided by the Volume of the cube. So ,

\boxed{\red{\bf \implies No. \ of \ cubes \ = \dfrac{Volume \ of \ box}{Volume \ of \ cube }}}

\bf \implies n_{cubes} = \dfrac{20cm \times  6cm \times 4cm .}{2cm  \times 2cm  \times 2cm } \\\\\bf\implies n_{cubes}  = 10 \ times 3cm \times 2cm \\\\\implies \boxed{\bf n_{cubes}= 60 }

<h3><u>Hence</u><u> the</u><u> </u><u>number</u><u> </u><u>of</u><u> </u><u>cubes</u><u> </u><u>that</u><u> </u><u>can</u><u> </u><u>be</u><u> </u><u>fitted</u><u> </u><u>in</u><u> the</u><u> </u><u>box </u><u>is</u><u> </u><u>6</u><u>0</u><u> </u><u>.</u></h3>

6 0
3 years ago
Reasoning Kareem cannot decide which of two washing machines to buy. The selling price of each is $720. The first is marked down
Marina CMI [18]

Answer:

store one

Step-by-step explanation:

Store One:

$720(0.50)=$360

$720-$360=$360

Store Two:

$720(0.30)=$216

$720-$216=$504

$504(0.20)=$100.8

$504-$100.8=$403.2

5 0
2 years ago
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