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2 years ago

Find the solution to the system of equations.

Mathematics

1 answer:

Anna [14]2 years ago

5 0

No solution it’s infinite

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Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you

Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is $b=-30$ .

Step-by-step explanation:

Given:

$\frac{2}{5}b+1=-11$

Now given:

According to Mai $b = -25$ and According to Tyler $b = -28$

Now we need to find which of them is correct.

So we will solve the given equation we get;

$\frac{2}{5}b+1=-11$

Subtracting both side by 1 we get;

$\frac{2}{5}b+1-1=-11-1\\\\\frac{2}{5}b =-12$

Now Multiplying both side $\frac{5}{2}$ we get;

$\frac{2}{5}b\times\frac{5}{2}= -12 \times \frac{5}{2}\\\\b=-6\times 5\\\\b=-30$

Hence both of them are incorrect, correct answer is $b=-30$ .

3 0

2 years ago

14+-6 what is the answer answer

Irina-Kira [14]

Answer:

the answer is 8. just think of it as subtraction. subtract +6 from +14. then you get the answer for +14+-6.

3 0

3 years ago

What are the zeros of f(x) = x2 + 3x - 10?

Zielflug [23.3K]

Answer:

(x+5) (x-2)

SO -5 and 2 option A

Step-by-step explanation:

factor it. and set equal to zero.

6 0

2 years ago

Please answer the questions!!!please!!!!!

bearhunter [10]

Answer:

I think #5 is c.

Step-by-step explanation:

because it says 50% without decimal and it's doesn't equal to 1/2%

8 0

3 years ago

Read 2 more answers

Dakota has \dfrac4{10} \text { kg} 10 4 kgstart fraction, 4, divided by, 10, end fraction, start text, space, k, g, end text o

Savatey [412]

Answer:

There are <u>2.22 grams</u> of clay are in each pot.

Step-by-step explanation:

Given:

Dakota has 4/10 kg of clay. He divides the clay to make 888 equal-sized pots.

Now, to find the number of grams of clay are in each pot.

Dakota has clay = $\frac{4}{10} \ kg.$

So, by using conversion factor we convert it into grams:

$\frac{4}{10} \times 1000\\\\=\frac{4000}{10} \\\\=400\ grams.$

Quantity of clay he has = 400 grams.

Number of equal-sized pots to make = 888.

Now, to get the quantity of grams of clay are in each pot we divide number of equal-sized pots to make by quantity of clay he has:

$\frac{888}{400}$

$=2.22\ grams.$

Therefore, there are 2.22 grams of clay are in each pot.

3 0

2 years ago