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3 years ago

Find the value of each variable to the nearest 10th. Be sure to write an equation and circle the answer.

Mathematics

1 answer:

Ugo [173]3 years ago

6 0

Answer:

Ano bayan puro Math nalang nakikita ko

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Are the fractions 1/2 and 3/8 equivalent fractions

Oksana_A [137]

No, 1/2 is equivalent to 4/8

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3 years ago

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How do I do this problem?

Oduvanchick [21]

$4b+18\leq-12b-14\leq14-5b\\4b+18\leq-12b-14\,and\,-12b-14\leq14-5b\\4b+12b\leq-14-18\,and\,-14-14\leq-5b+12b\\16b\leq-32\,and\,-28\leq7b\\b\leq-\frac{32}{16}\,and\,-\frac{28}{7}\leq b\\b\leq-2\,and\,b\geq-4\\-4\leq b \leq-2$

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3 years ago

June had $240 more than Siti. Junr gave 25% of her money to Siti. Siti then gave 20% of her money to June. How much more money d

bulgar [2K]

Answer:

$144

Step-by-step explanation:

Let the money which Siti has be x

Therefore, the money June has will be x+240

First condition is that June gave 25% of her money to Siti, So this amount will be deducted from June's money and will be added in Siti's money.

Siti's money = x+ [25%(x+240)] June's money = x+240-[25%(x+240)]

= 1.25x + 60 = 0.75x + 180

Second condition is that Siti now gave 20% of her money to June.This amount will be deducted form Siti's money and added in June's money.

Siti's money = 1.25x+60-[20%(1.25x+60)]

= x+48

June's money = 0.75x +180+[20%(1.25x+60)]

= x+192

Difference between Sitit and June's money = x+192-x-48

= 144

Hence, June has $144 more money than Siti.

4 0

3 years ago

Could y’all help with the answer?

sweet-ann [11.9K]

Answer:

Step-by-step explanation:

5 x 6 = 30

6 x 6 = 36

8 x 6 = 48

3 0

3 years ago

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Help please, I attached the question. Is it a!?

AVprozaik [17]

Answer:

Step-by-step explanation:

Recall that for a quadratic equation of the form:

$0=ax^2+bx+c$

The number of solutions it has can be determined using its discriminant:

$\Delta = b^2-4ac$

Where:

If the discriminant is positive, we have two real solutions.
If the discriminant is negative, we have no real solutions.
And if the discriminant is zero, we have exactly one solution.

We have the equation:

$2x^2+5x-k=0$

Thus, a = 2, b = 5, and c = -k.

In order for the equation to have exactly one distinct solution, the discriminant must equal zero. Hence:

$b^2-4ac=0$

Substitute:

$(5)^2-4(2)(-k)=0$

Solve for k. Simplify:

$25+8k=0$

Solve:

$\displaystyle k = -\frac{25}{8}$

Thus, our answer is indeed A.

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3 years ago

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