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3 years ago

Fast answeer plssss thank you thank you

Mathematics

1 answer:

vova2212 [387]3 years ago

3 0

Select all the options because a rectangle can be made of all dimensions.

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A rectangle has a height of 7a² and a width of a4 + 5a2 + 4.

harkovskaia [24]

Answer:

$( {7a}^{2} \times {a}^{4} ) + ({7a}^{2} \times {5a}^{3}) + ( {7a}^{2} \times 4) = {7a}^{6} + {35a}^{5} + {28a}^{2}$

8 0

4 years ago

point P is located at (-2, 7), and point R is located at (1, 0). find the y value for the point Q that is located 2/3 the distan

natulia [17]

Answer: 7/3

Step-by-step explanation:

R-P= (3,-7). the displacement vector.

P+x(R-P) moves to x times distance between

P+(R-P) = R moves to 100% of the distance.

Q = P+2/3(R-P)

= (-2,7)+2/3(3,-7)

= (-2,7)+(2,-14/3)

= (0,7-14/3)

= (0,7/3)

= (0,2.3333...)

7 0

3 years ago

What is 3/4- (-5 1/4) =<br><br> NEED HELP ASAP

Fantom [35]

Answer:

Step-by-step explanation:

$\frac{3}{4} - (-5\frac{1}{4})$

-5 1/4 is a mixed fraction. so we convert it into improper fraction

$-5\frac{1}{4}=-\frac{5*4 +1}{4}=-\frac{21}{4}$

$\frac{3}{4} - (-\frac{21}{4})$

negative and negative becomes positive

$\frac{3}{4} +\frac{21}{4}$

Both fractions have same denominators. so we can combine the numerators

$\frac{3+21}{4}=\frac{24}{4}$

Divide the fraction

$\frac{24}{4}=6$

3 0

3 years ago

In a test consisting of 12 questions, each student gets a score of +23 for every correct answer and −13 for every incorrect answ

pentagon [3]

Answer:

96 scores

Step-by-step explanation:

Score for each correct answer = +23

Score for each incorrect answer = $-13$

Each question must be answered such that Ram gets 7 correct and 5 incorrect answers.

Number of correct answers $=7$

Number of incorrect answers $=5$

Therefore,

Ram's score $=7(23)+5(-13)=161-65=96$

4 0

3 years ago

Which expression is equivalent to 96?

Delicious77 [7]

Answer:

$4\sqrt{6}$

Step-by-step explanation:

$\sqrt{96}$

$\sqrt{2*2*2*2*2*3}$

$2*2\sqrt{2*3}$

$4\sqrt{6}$

6 0

3 years ago