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3 years ago

Which ordered pair is a solution of the equation ? 7x-5=4y -6

Mathematics

1 answer:

noname [10]3 years ago

4 0

The ordered pair is (-1/7, 0)

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HELPPPPPPP!!!! 0÷0 Find the RATIO and the EXACT VALUE of the given CscB.

AlekseyPX

Answer:

Step-by-step explanation:

take angle B as reference angle

using cosec rule

cosec B=hypotenuse/opposite

cosec B=13/12

cosec B=1.08

B=cosec 67

B=67 degree

for ratio,

cosec B=13/12

7 0

3 years ago

Plz answer me i want help

mel-nik [20]

Answer:

Rs 19.20

Step-by-step explanation:

Buying price = Rs 20

Profit = 20% = 0.20 × 20 = Rs 4

Selling price = buying price + profit = Rs 20 + Rs 4 = Rs 24

He wants to make a 25% profit.

Let's say he should buy the pen at Rs 'a' in order to make that amount of profit.

∴ a + $\frac{25}{100} a$ = 24

1.25a = 24

a = $\frac{24}{1.25} = 19.20$

So he should buy the pen at Rs 19.20

3 0

3 years ago

Does anyone know this?

barxatty [35]

Answer:

$\Huge \boxed{-2}$

Step-by-step explanation:

$f(x)=-2x^2-2x+10$

For f(2), the input of the function is 2.

Let x = 2.

$f(2)=-2(2)^2-2(2)+10$

Evaluate.

$f(2)=-2(4)-2(2)+10$

$f(2)=-8-4+10$

$f(2)=-2$

8 0

4 years ago

Read 2 more answers

One-third cup of black beans provides 20% of the potassium you need daily. You must get the remaining 1,360 milligrams from othe

VARVARA [1.3K]

5×20%=100% so 1360mg is 80% of the daily requirement. The total requirement is 1360/0.8=13600/8=1700 mg.

6 0

4 years ago

Read 2 more answers

Write an explicit formula for then th an. term of the sequence 45, 15,5. ....

7nadin3 [17]

Answer:

The sequence above is a geometric sequence

For an nth in a geometric sequence

$u(n) = a {r}^{n - 1}$

where n is the number of terms

a is the first term

r is the common ratio

From the question

a = 45

r = 15 / 45

The explicit formula for the sequence is

U(n) = 45(1/3)^n-1

Hope this helps you

7 0

3 years ago