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Svetlanka [38]
3 years ago
9

Can someone plz help me

Mathematics
2 answers:
lidiya [134]3 years ago
4 0

Answer:

The answer is C. <u>5</u><u><em>a² - </em></u><u>4</u><u><em>a</em></u><u> + 1 </u>

<h3>Step- by- Step:</h3>

<em>First you want to Distribute the Negative Sign:</em>

= 10a² + 3 − 5a + −1 (2 + 5a² − a)

= 10a² + 3 + −5a + (−1) (2) + −1 (5a²) + −1 (−a)

= 10a² + 3 + −5a + −2 + −5a² + a

<em>Add Like Terms:</em>

= 10a² + 3 + −5a + −2 + −5a² + a

= (10a² + −5a²) + (−5a + a )+( 3+ −2)

<u>= 5a² + −4a + 1</u>

<h3>Happy To Help! :)</h3>

Allisa [31]3 years ago
3 0

Answer:

i think its c

Step-by-step explanation:

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Answer: 58 inches or 4 feet 10 inches

Credit to: @Emanuel9

even when you don't see it,

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6 0
3 years ago
Could the value of x below be 4, 6, 9, or 10
lions [1.4K]

Answer:

the answer is 6 i think

Step-by-step explanation:

3 0
3 years ago
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A water tank is in the shape of a right rectangular prism. Its dimensions are 6 feet by 4 feet by 7 feet. What is the surface ar
Norma-Jean [14]

Answer:

\LARGE{ \underline{\underline{ \sf{\pink{ Required\: answer:}}}}}

<h2><u>GIVEN</u><u> </u>- </h2>

  • Water tank which is in a shape of right rectangular prism

Dimensions = 6 feet × 4 feet × 7 feet

<h3><u>TO</u><u> </u><u>FIND</u><u> </u><u>-</u><u> </u> </h3>

  • Surface area of tank

<h2><u>SOLUTION</u> - </h2>

<em><u>Using</u></em><em><u> </u></em><em><u>formula</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>surface</u></em><em><u> </u></em><em><u>area</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>right</u></em><em><u> </u></em><em><u>rectangular</u></em><em><u> </u></em><em><u>prism</u></em><em><u> </u></em><em><u>-</u></em><em><u> </u></em>

Surface area =

2(wl  + hl + hw)

L = length

w = width

h = height

( assumimg 6 feet = L , 4 feet = W , 7 feet = h)

Putting value of L, W and H in the equation. we get,

=2(4 × 6 + 7 × 6 + 7× 4)

= 2(24 + 42 + 28)

= 2( 94)

= 2 × 94

= 188

7 0
3 years ago
Read 2 more answers
Wouk out (-5) + (-2)​
PolarNik [594]

Answer:

-7

Step-by-step explanation:

-5   +    -2   =     is the same as -5  -   (+2), so the answer is -7

7 0
3 years ago
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17- 9=6<br> I really need help with this one
Ymorist [56]

Answer:

It's not right.

Step-by-step explanation:

8 is not equal to 6

5 0
3 years ago
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