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Alenkasestr [34]
2 years ago
7

How can help me on this the blank one if the one I need help one btw

Mathematics
2 answers:
adell [148]2 years ago
8 0
Yeah the answer is zero. Because when you add a positive and a negative together it will always cancel each other out
Serga [27]2 years ago
6 0

Answer:

0

Step-by-step explanation:

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Can someone help me with this math question. ​
Veronika [31]

Answer:

which math question

u didnt provide any

Step-by-step explanation:

7 0
3 years ago
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Use the partial product stratagy to solve 429×35?
Korolek [52]
16731 should be the answer
6 0
3 years ago
Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial.
san4es73 [151]
121.

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2 years ago
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Old McDonald had a farm. In one pen the old farmer had chickens and bulls together. In that pen there were 40 animals in total,
SVETLANKA909090 [29]

Answer:

There are 15 numbers of chicken and 25 numbers of bulls.

Step-by-step explanation:

The pen had chickens and bulls.  The pen contains 40 animals in total. The number of legs in the pen is 130 .

Let

a = number of chicken

b = number of bull

a + b = 40................(i)

A chicken has 2 legs and a bull has 4 legs.

The total legs can be represented as

2a + 4b = 130...........(ii)

combine the equation

a + b = 40................(i)

2a + 4b = 130...........(ii)

a = 40 - b

insert the value of a in equation(ii)

2(40 - b) + 4b = 130

80 - 2b + 4b = 130

80 + 2b = 130

2b = 130 - 80

2b = 50

divide both sides by 2

b = 50/2

b = 25

Insert the value of b in equation (i)

a + b = 40

a + 25 = 40

a = 40 - 25

a = 15

There are 15 numbers of chicken and 25 numbers of bulls.

8 0
2 years ago
If a card is picked at random from a standard 52-card deck, what is the probability of getting a spade or a 8
g100num [7]

Answer:

1/4, 25%, or 0.25

Step-by-step explanation:

Therefore, as each suit contains 13 cards, and the deck is split up into 4 suits, that leaves us with a 13/52 chance to pick a spade.

That fraction is equivalent to 1/4, so that leaves us with a probability of picking a spade at:

1/4, 25%, or 0.25

8 0
3 years ago
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