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3 years ago

14

Andre has 4 times as many model cars as Peter, and Peter has

1 answer:

lapo4ka [179]3 years ago

5 0

Answer: 4p = 36 ; 3p = J.

Peter has 9 model cars, while Jade has 27 model cars.

Step-by-step explanation:

Andre has 36 model cars, which is 4 times as many as Peter. Let P represent Peter: 4p = 36.

How many times does 4 go into 36? 9 times. Peter has 9 model cars.

Peter has 1/3 of Jade's model cars. Let J represent Jade. 3p = J. We know p is 9, so we can plug it into this equation. 3 x 9 = 27. Jade has 27 model cars.

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Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 60

Umnica [9.8K]

Sample mean : \overline{x}=10.6x=10.6

Standard deviation : s=1.7s=1.7

Significance level : \alpha:1-0.95=0.05α:1−0.95=0.05

Critical value : z_{\alpha/2}=1.96

Hence the 95% confidence interval for the number of chocolate chips per cookie for big chip cookies= (10.1989,\ 11.0011)(10.1989, 11.0011)

4 0

2 years ago

SOS if anyone could help that would be appreciated!!!❤️

Anastaziya [24]

Answer:

See below

Step-by-step explanation:

$2e)15-4x=10x+45$

Solve:

$15-4x=10x+45\\-4x-10x=45-15\\-14x=30\\ \boxed {x=-\dfrac{15}{7}}$ $3(x+1)=21$

Check:

$15-4 \left(-\dfrac{15}{7} \right)=10\left(-\dfrac{15}{7} \right)+45$

$15+\dfrac{60}{7} \right)=-\dfrac{150}{7} +45$

$\dfrac{210}{7} =30$

$30=30$

$3a) 3(x+1)=21$

Solve:

$3(x+1)=21\\3x+3=21\\3x=18\\x=6$

$3b) 2+3(x+1)=6x$

$2+3x+3=6x\\5=3x\\$

$x=\dfrac{5}{3}$

$3c) -2(2x-3)=-2$

Solve:

$-2(2x-3)=-2\\-4x+6=-2\\-4x=-8\\x=2$

3 0

3 years ago

Is the following shape a square? How do you know

DENIUS [597]

No, because all sides are not congruent. The answer is B.

5 0

3 years ago

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What is the volume of a square pyramid with base edges of 60 inches and a height of 10 inches?

vichka [17]

Answer:

The volume is $12000 in^3$

Step-by-step explanation:

From the question ,

$L= 60\:in.$ and $H=10\:in.$

The volume of a pyramid is given as

$V=\frac{1}{3} \times area\:of\:the\:base \times height$

From the question, the base of the pyramid is a square.

Hence base area is given by $L^{2}$

This implies that the volume of the pyramid is

$=\frac{1}{3} \times L^{2}\times H$

$=\frac{1}{3}\times 60^{2} \times 10$

$=\frac{36000}{3}$

$=12000 in^3$

6 0

3 years ago

When x = 4, the value of 2x0 + x! is

Romashka [77]

4!= 4*3*2*1

Therefore,

2x0+x!= 0+x! = 0+4!

4*3*2*1 = 24 (#1)

4 0

3 years ago

Read 2 more answers