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alex41 [277]
3 years ago
11

Abcd is a rectangle.​

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0
It’s within reach. .. ..
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3x+4y=5 what is this in slope intercept form
tia_tia [17]
Slope intercept form is to leave y by itself. ok this is the initial question 3x+4y=5 and we want y by itself. first subtract 3x by both sides. you now have 4y=5-3x, then divide 4 by both sides. y=5-3x/4, this is slope intercept form, if you still need help download the app socratic and photomath.
3 0
3 years ago
Anyone know the answer?? ( I got confused half way)
weqwewe [10]
The answer is 8 and 3 fourths which would be written as 8 3/4
7 0
3 years ago
Read 2 more answers
Please help!! I’m stuck on this
beks73 [17]

Answer:

B.  x = -4\,\lor \,x = -1

Step-by-step explanation:

Let \sqrt{-4-5\cdot x} = x, we solve for x by algebraic means.

1) \sqrt{-4-5\cdot x} = x Given

2) -4-5\cdot x = x^{2} Definition of power/Symmetry of equality

3) x^{2}+5\cdot x + 4 = 0 Compatibility with addition/Commutative and associative properties/Existence of additive inverse/Modulative property

4) (x+4)\cdot (x+1) = 0         x^{2}+(a+b)\cdot x +a\cdot b = (x + a)\cdot (x+b)

5) x = -4\,\lor \,x = -1 Result

Hence, the correct answer is B.

7 0
3 years ago
The value of a jewel in 2015 was $17500. The jewel was purchased in 2008, and its value appreciated 2.5%
ArbitrLikvidat [17]

Answer:

$14722.14

Step-by-step explanation:

We are given that

In 2015

The value of jewel=$17500

Rate of appreciation, r=2.5%

We have to find the initial value of the jewel when it was first bought.

Time, n=7 years

Final value=Initial\;value (r/100+1)^n

Using the formula

17500=Initial\;value(2.5/100+1)^7

17500=Initial\;value(1.025)^7

Initial\;value=\frac{17500}{(1.025)^7}

Initial value=$14722.14

Hence, the the initial value of the jewel when it was first bought=$14722.14

5 0
3 years ago
Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 .
Kisachek [45]

Simplify √20 to 2√5

2 * 2√5 - 3√7 - 2√5 + 4√63

Simplify √63 to 3√7

2 * 2√5 - 3√7 - 2√5 + 4 * 3√7

Simplify 2 * 2√5 to 4√5

4√5 - 3√7 - 2√5 + 4 * 3√7

Simplify 4 * 3 √7 to 12√7

Collect like terms

(4√5 - 2√5) + (-3√7 + 12√7)

Simplify

2√5 + 9√7

Answer: B

3 0
3 years ago
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