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DENIUS [597]
2 years ago
9

Mike -(a boy) -and Kate -(a girl) -are -siblings. Mike- has -as -many -brothers -as -sisters. Kate -has -twice -as -many -brothe

rs -as -sisters. How- many -girls,- counting- the- children- only -are -in -the -family? - Please answer!!
I will mark brainliest
Mathematics
2 answers:
devlian [24]2 years ago
4 0

Mike has 3 brothers and 3 sisters

Kate has 4 brothers and 2 sisters

all the girls in the family are 3

hope it helps...!!!

VLD [36.1K]2 years ago
3 0
So mike has one more sister and one less brother than Kate (he is Kate’s brother)’ thank Kate (Kate is his sister) and Kate has one less sister than mike
So Kate has to have at least three brothers because mike has the same amount of sisters as brothers and Kate is an extra sister,
So mike has three sisters and Kate has two sisters because she is a sister and two times two is four, so mike has three brothers, but there fr four boys in total
So Kate has two sisters and four brothers (mikes brothers+1)
Mike has three brothers and three sisters (Kate’s sisters plus one)
FINAL ANSWER: 4 brothers and 3 sisters
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In the first quadrant you start at 7,5 and move 4units left and 1 unit down
Elenna [48]

Answer:

(3,4)

Step-by-step explanation: I'm assuming you want to know the final point you end up at. The first part of our coordinate pair is our x value, so we want to reduce our x-value by 4 to go left 4 units, the second part is our y-value, we want to reduce it by 1 to go down 1 unit. So, our final coordinate pair is (7-4,5-1) or (3,4).

7 0
4 years ago
Use sigma notation to represent the sum of the first seven terms of the following sequence -4,-6,-8.....
lina2011 [118]

Answer:Answer:

\sum\left {{7} \atop {1}} \right -n(3+n)

Step-by-step explanation:

Given the sequence -4,-6,-8..., in order to get sigma notation to represent the sum of the first seven terms of the sequence, we need to first calculate the sum of the first seven terms of the sequence as shown;

The sum of an arithmetic series is expressed as S_n = \frac{n}{2}[2a+(n-1)d]

n is the number of terms

a is the first term of the sequence

d is the common difference

Given parameters

n = 7, a = -4 and d = -6-(-4) = -8-(-6) = -2

Required

Sum of the first seven terms of the sequence

S_7 = \frac{7}{2}[2(-4)+(7-1)(-2)]\\\\S_7 =  \frac{7}{2}[-8+(6)(-2)]\\\\S_7 =  \frac{7}{2}[-8-12]\\\\\\S_7 = \frac{7}{2} * -20\\\\S_7 = -70

The sum of the nth term of the sequence will be;

S_n = \frac{n}{2}[2(-4)+(n-1)(-2)]\\\\S_n = \frac{n}{2}[-8+(-2n+2)]\\\\S_n = \frac{n}{2}[-6-2n]\\\\S_n =  \frac{-6n}{2} -  \frac{2n^2}{2}\\S_n = -3n-n^2\\\\S_n = -n(3+n)

The sigma notation will be expressed as \sum\left {{7} \atop {1}} \right -n(3+n). <em>The limit ranges from 1 to 7 since we are to  find  the sum of the first seven terms of the series.</em>

3 0
3 years ago
Find the value of x.
SVETLANKA909090 [29]

9514 1404 393

Answer:

  103

Step-by-step explanation:

The sum of angles in a quadrilateral is 360°, so the measure of x° is ...

  x° = 360° -127° -90° -40° = 103°

  x = 103

5 0
3 years ago
Read 2 more answers
Solve for x:
Furkat [3]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

C) x = 16

»»————- ★ ————-««  

Here’s why:  

  • We will use inverse operations to solve for 'x'.

⸻⸻⸻⸻

\boxed{\text{Solving for 'x'...}}\\\\\frac{x}{2}=8\\-------\\\rightarrow{\frac{x}{2}=8}\\\\\rightarrow(\frac{x}{2}})*2=8*2\\\\\rightarrow\boxed{x=16}

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

5 0
3 years ago
Read 2 more answers
5p coins weigh approximately 3 grams.
Elza [17]

Answer: 0.3 kg

Step-by-step explanation:

£5 = 500p

500p ÷ 5 = 100

100 x 3 = 300 grams

300 ÷ 1000 = 0.3 kg

Hope this helps :)

3 0
4 years ago
Read 2 more answers
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