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3 years ago

Evaluate the expression 2l + 2w for l = 5.7 and w = 6.2. Enter your answer in the box.

Mathematics

2 answers:

Rainbow [258]3 years ago

5 0

Answer:

23.8

Step-by-step explanation:

(2 x 5.7) + (2 x 6.2)

= 11.4 + 12.4

=23.8

Aloiza [94]3 years ago

4 0

Answer:

23.8

Step-by-step explanation:

2x5.7 =11.4 and 2x6.2= 12.4

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Necesito ayuda con esto . La suma de dos numero consecutivos es 49 cual es el número menor?

KiRa [710]

Answer:

Step-by-step explanation:

x + x + 1 = 49

x + x = 2x = 48

x = 48 ÷ 2 = 24

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3 years ago

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belka [17]

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3 years ago

| -4 + 5\2 | - (-x) =-3

Leto [7]

Answer:

x = -4.5

Step-by-step explanation:

<u><em>Solving the equation</em></u> :

$\left\vert -4+\frac{5}{2} \right\vert -\left( -x\right) =-3$

$\Longleftrightarrow \left\vert \frac{-8}{2} +\frac{5}{2} \right\vert +x =-3$

$\Longleftrightarrow \left\vert \frac{-8+5}{2} \right\vert +x =-3$

$\Longleftrightarrow \left\vert \frac{-3}{2} \right\vert +x =-3$

$\Longleftrightarrow \frac{3}{2} +x =-3$

$\Longleftrightarrow x =-3-\frac{3}{2}$

$\Longleftrightarrow x =-\frac{6}{2} -\frac{3}{2}$

$\Longleftrightarrow x = -(\frac{6}{2} +\frac{3}{2} )$

$\Longleftrightarrow x =-\frac{9}{2}$

$\Longleftrightarrow x =-4.5$

7 0

3 years ago

10 workers take 5 days at 3 hours per day to repair abroad. How many days for two road workers at 5 hours each day?

dusya [7]

Answer:

$\huge\underline\color{skyblue}{Answer ☘}$

$10 \: people \times 3 \: hrs/day = \\ 30 \: man \: hrs/ \: day \\ \\ 2 \: people \times 5 \: hrs/day = \\ 10 \: man \: hrs \: per/day \\ \\ 2 \: people \: work \: 5 \: hrs \: a \: day, \: so \: they \: \\deliver \: 10 \: man \: hours \: a \: day. \\ To \: finish \: a \: work \: of \: 100 \: man \: hours , \\ they’ll \: need \\ \\ \frac{100}{10} = 10 \: days$

hope helpful~

4 0

3 years ago

PLEASE HELP ME WITH THIS HELP ME WITH THIS MATH QUESTION IM NOT VERY GOOD AT THESE TYPE OF QUESTIONS (ONLY FIVE POINTS IM SORRY)

sergeinik [125]

1) 16% —> .16

.16 x $32,788 = $839.3728

2) 85/3 = 28.333333......

28.33....... - 20 = 8.333...... or rounded
to 8.2

3) 1 lb = .454 Kilos

15 lbs = ?

.454 x 15 = 6.81

15 lbs = 6.8 Kilos

8 0

4 years ago