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Dmitry [639]
3 years ago
13

10 × 4 - 2 × (4² ÷ 4) ÷ 2 ÷ 1/2 + 9

Mathematics
2 answers:
lutik1710 [3]3 years ago
6 0
47 should be your answer. 
Ilya [14]3 years ago
6 0
41
____________________________________________

WORK :

Use PEMDAS

<span>10 × 4 - 2 × (4² ÷ 4) ÷ 2 ÷ 1/2 + 9
10 x 4 - 2 x ( 4 ) </span>÷ 2 ÷ 1/2 + 9
40 - 8 ÷ 2 ÷ 0.5 + 9 
40 - 4 ÷ 0.5 + 9
40 - 8 + 9
32 + 9 = 41
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8w^2=50 i’m not sure how to find the answer
CaHeK987 [17]

8w^2=50

= w^2= (50÷8)

= w^2= 6.25

=w = √6.25

w= 2.5

8 0
3 years ago
Read 2 more answers
The equations are given below.
amid [387]

Answer:

neither

Step-by-step explanation:

they are parallel when they have the same slope and perpendicular when the slope is completely different

5 0
2 years ago
PLEASE HELP ASAP!! an onion soup recipe calls for 3 2/3 cups of chopped onions. katrina has already chopped 1 1/3 cups of onions
ivanzaharov [21]

Answer:

x+1\frac{1}{3}=3\frac{2}{3}

Step-by-step explanation:

Let the number of cups of onions Katrina still needs to chop = x

She has already chopped the onions = 1\frac{1}{3} cups ≈ \frac{4}{3} cups

So total amount of chopped onions = (x+\frac{4}{3}) cups

Since, onion soup recipe calls for the chopped onions = 3\frac{2}{3} cups ≈ \frac{11}{3} cups

Therefore, equation which shows the number of cups of onions to be chopped more will be,

x+1\frac{1}{3}=3\frac{2}{3}

We further solve this equation for the value of x,

x = \frac{11}{3}-\frac{4}{3}

x = \frac{(11-4)}{3}

  = \frac{7}{3} cups

  ≈ 2\frac{1}{3} cups

5 0
3 years ago
A culture started with 3000 bacteria. After 2 hours it grew to 3300 bacteria. Predict how many bacteria will be present after 16
bixtya [17]

Answer:

6,430\ bacteria

Step-by-step explanation:

we have a exponential function of the form

y=a(1+r)^{x}

where

y is the population of bacteria

a is the initial value

r is the rate of growth

x is the number of hours

we have

a=3,000 bacteria

y=3,000(1+r)^{x}

For x=2, y=3,300

substitute

3,300=3,000(1+r)^{2}

(3,300/3,000)=(1+r)^{2}

Apply square root both sides

1+r=\sqrt{3.3/3}

r=\sqrt{3.3/3}-1

r=0.0488

r=4.88\%

substitute in the equation

y=3,000(1+0.0488)^{x}

y=3,000(1.0488)^{x}

<u><em>Predict how many bacteria will be present after 16 hours</em></u>

For x=16 hours

substitute

y=3,000(1.0488)^{16}

y=6,430\ bacteria

6 0
3 years ago
1.4(0.5x+4.2y)−3.5(0.2x−1.5y)<br> simplify<br> lots of points
Vilka [71]

1,4(0,5x + 4,2y) - 3,5(0,2x - 1,5y)

1,4.0,5x + 1,4.4,2y - 3,5.0,2x + 3,5.1,5y

0,7x + 5,88y - 0,7x + 5,25y

0,7x - 0,7x + 5,88y + 5,25y

11,13y

7 0
3 years ago
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