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3 years ago

What is (0.7)*(0.4)

Mathematics

2 answers:

antoniya [11.8K]3 years ago

7 0

Answer:

0.28

Step-by-step explanation:

simplify the expression

zhuklara [117]3 years ago

4 0

(0.7)(0.4)=0.28 because 7×4 is 28 and you just add a 0

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An electric bulb is sold in a box measuring 5 cm by 4 cm by 4 cm. If the shopkeeper receives them in a carton measuring 50 cm by

katen-ka-za [31]

Answer:

250

Step-by-step explanation:

Bulb box and carton both are of cuboidal shape.

For bulb box the dimensions are:

l = 5 cm, w = 4 cm, h = 4 cm

$V_{Bulb\: box} =lwh$

$\implies V_{Bulb\: box} =5(4)(4)$

$\implies V_{Bulb\: box} =80\: cm^3$

For Carton the dimensions are:

l = 50 cm, w = 20 cm, h = 20 cm

$V_{Carton} =lwh$

$\implies V_{Carton} =50(20)(20)$

$\implies V_{Bulb\: box} =20,000\: cm^3$

To find the number of bulbs packed in the carton, divide the $V_{Carton}$ by $V_{Bulb\: box}$

$Number \:of \:bulbs =\frac{V_{Carton}}{V_{Bulb\: box}}$

$\implies Number \:of \:bulbs =\frac{20,000}{80}$

$\implies Number \:of \:bulbs = 250$

So, 250 bulbs will be packed in one carton.

3 0

2 years ago

Of the students attending a rock concert, 80 of them were 8th graders. Of these 8th graders, 25% of them were wearing ear plugs.

zhuklara [117]

Answer:

15%

Step-by-step explanation:

If 10% of the 25% of 8th graders who were male, 15% would be females because 25-10= 15. So, 15% would be my answer.

6 0

2 years ago

Hello! Can someone pls help me???

qwelly [4]

Answer:

5x+6y=60

Step-by-step explanation:

x= $5 per pound of second type of seed

y=$6 per pound of first types of seed

3 0

3 years ago

Can yall help me with this? Thank you!

Ray Of Light [21]

Answer:

1260 degrees (1260°)

Step-by-step explanation:

Formula to Find Sum of Interior Angles of a Polygon

180 (n - 2)
n is the number of sides of the polygon

Nonagon (9-sided polygon)

180 (9 - 2)
180 × 7
1260 degrees (1260°)

4 0

2 years ago

Erin already has 7 plants in her backyard, and she can also grow 2 plants with every seed

Reil [10]

The answer is p=2s+7. Two plants can be grown from each seed packet, and Erin already has seven plants so you add that to the equation as well.

8 0

2 years ago