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Anna007 [38]
3 years ago
7

Help please...............

Mathematics
1 answer:
Sladkaya [172]3 years ago
8 0

Answer:

Ratio - 9:19

Fraction - 9/19

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Which is a proportional relationship<br> y=x+1<br> y=3x+3<br> y=4x<br> y=8+x
yulyashka [42]

Answer:

4=4x

Step-by-step explanation:

the formula y=mx+b

corresponds to y=slope+y intercept

all proportional relationships start on the origin so the y-intercept is always 0

the fact that the equation y = 4x doesn't have an intercept shows its proportional this can go with any similar equation like y = 4.5x

8 0
3 years ago
Will upvote<br><br> 4,7,12,19,31,... does this classify as a arithmetic, geometric, or neither
spayn [35]
To find if a series is either geometric or arithmetic:
it must satisfy this property:

Arithmetic:

a(n+1) - a(n) = const

Geometric:

a(n+1)/a(n) = const

In your case:

r1 = 7 -4 = 3

r2 = 12 - 7 = 5

r1 != r2  (not arirthmetic)

Geometric check:

r1 = 7/4

r2 = 12/7

r1 != r2  (not Geometric)

so neither. 


8 0
3 years ago
Could anyone help me with this? Thanks in advance x
alexira [117]

Answer:

find b: since the triangle is right angle triangle apply the Pythagorean theorem

c²+b²=d²

b²=d²-c²

b²=16²-12²

b²=256-144

b²=112

<h2>b=√112 = 4√7</h2>

the sum of the angle of the triangle=180

( in top Δ abd ) sin Ф=opp/hyp

sinФ=b/d=4√7/16= √7/4  radian

convert to degrees : √7/4 *180/π= 37.91 almost 38 degrees

<h2>which makes A= 38 degrees ( adjacent angles are equal when they have common side and do not overlap)</h2>

find a=?? apply law of cosine

a²= d^2 + c^2 − 2dc cosA

a²=16² + 12²-2(16)(12)cos38

a =√(16² + 12²-2(16)(12)cos38)

<h2>a=9.87 rounded to the nearest hundredth</h2>

(i hope it is right )

5 0
3 years ago
Vance bought 2 packages of large beads
VashaNatasha [74]

The no. of more buttons than beads that Vance bought is 1 (medium package)

<h3>What is an algebraic expression?</h3>

In mathematics, an expression that incorporates variables, constants, and algebraic operations is known as an algebraic expression (addition, subtraction, etc.).

<h3>How to solve algebraic expressions? </h3>

A General Rule for Equation Solving

B Remove parenthesis from either side of the equation and combine similar phrases to make it simpler.

C To separate the variable term on one side of the equation, use addition or subtraction.

D To find the variable, use division or multiplication.

Given:- The no: of package of large beads is 2

            The no: of the package of medium beads is 1

            The no: of the package of large buttons is 2

            The no: of the package of medium buttons is 2

Hence large packages

2(buttons)-2(beads)=0

For medium packages

2(buttons)-1(beads)=0

therefore, the no of more buttons than beads is 1 medium package

Learn more about algebraic expressions, visit :

brainly.com/question/4344214

#SPJ1

             

6 0
1 year ago
Step 4: Calculate the result:<br> 63,756 60<br> miles / hour<br> 70.5,280
Mkey [24]

Answer:

10.35miles/hour

Step-by-step explanation:

(63,756 x 60)/ (70 x 5,280) = (3,825,360/369,600) = 10.35

(Application of division)

6 0
3 years ago
Read 2 more answers
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