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2 years ago

PLS HELPPPPP!!!! WILL GIVVE BRAINLEIST.

Mathematics

2 answers:

poizon [28]2 years ago

6 0

Answer:

468

Step-by-step explanation:

Alecsey [184]2 years ago

5 0

Answer:

468

Step-by-step explanation:

did the test on k12 :)

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Need to show my work

dalvyx [7]

Answer:

$\large\boxed{x=\dfrac{5}{4},\ y=\dfrac{15}{16}}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=\dfrac{3}{4}x&(1)\\\dfrac{5}{2}x+2y=5&(2)\end{array}\right\\\\\text{Substitute}\ (1)\ \text{to}\ (2):\\\\\dfrac{5}{2}x+2\left(\dfrac{3}{4}x\right)=5\\\\\dfrac{5}{2}x+\dfrac{3}{2}x=5\\\\\dfrac{5+3}{2}x=5\\\\\dfrac{8}{2}x=5\\\\4x=5\qquad\text{divide both sides by 4}\\\\x=\dfrac{5}{4}$

$\text{Put the value of}\ x\ \text{to (1)}\\\\y=\dfrac{3}{4}\cdot\dfrac{5}{4}\\\\y=\dfrac{15}{16}$

4 0

3 years ago

Read 2 more answers

How do I do this problem??

Montano1993 [528]

The answer to this problem is 1 :)

8 0

3 years ago

1. Which of the following is the square of a binomial? O a2 + b2 O 16x2 +9y2 O m2-mn + n2 O c2-2cd+d2

melomori [17]

Answer:

i guess it's the second one, 16x2+9y2, since they are both raised to 2 and they are binomial

6 0

3 years ago

On any day, the probability of rain is 0.3. The occurrence of rain on any day is independent of the occurrence of rain on any ot

poizon [28]

<h3>Answer: 0.47178 Step-by-step explanation: Find the probability for each p(X=x) up to 5 using the equation: (x-1)C(r-1)*p^r * q^x-r, where x is number of days, p = .3 (prob of rain). q=.7 (prob of not rain), and r=2 (second day of rain). also C means choose. So p(X=1) = 0 p(X=2) = 1C1 * .3^2 * .7^0 = .09 P(X=3) = 2C1 * .3^2 * .7^1 = .126 P(X=4) = 3C1 * .3^2 * .7^2 = .1323 P(X=5) = 4C1 * .3^2 * .7^3 = .12348 Then add all of them up 0+.09+.126+.1323+.12348 = .47178</h3>

3 0

3 years ago

Steps to find the answer of this picture pretty please

Kazeer [188]

add the sides together

3 0

3 years ago