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Maksim231197 [3]
3 years ago
5

When adding 3 and -9, how do you know that the sum is negative?

Mathematics
1 answer:
irga5000 [103]3 years ago
7 0
You know the sum is negative because the negative integer is larger than the positive integer.
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The four o'clock flower is an example of incomplete dominance: R = red, r = white, and Rr = pink. If two hybrids are crossed, wh
Trava [24]

Answer:

50%

Step-by-step explanation:

We are given that four o'clock flower is an example of incomplete dominance

Rt=Red

r=white

Rr=Pink

We have to find the chances that an offspring will have pink flowers when two hybrids are crossed.

When Rr crossed with Rr

Then we get RR,Rr,Rr and rr.

Color of RR=Red

Color of white =White

Color Rr =Pink

Chances of RR=25%

Chances of Rr=50%

Chances of rr=25%

Hence, the chances that an offspring will have pink color=50%

7 0
4 years ago
If line L in the xy-coordinate plane has a positive slope, what is the x-intercept of L ? (1) There are different points (a, b)
umka2103 [35]

Answer:

The x-intercept of L is 0

Step-by-step explanation:

1)  If (a,b) and (c,d) belongs to theline L, then the equation of the line using two-points formula  will be:

y-b=(\frac{b-d}{a-c} ).(x-a)

if we want to find the x-intercept of L we should set y=0.

0-b=(\frac{b-d}{a-c} ).(x-a)

getting x from that equation we will have :

x=-b.\frac{a-c}{b-d}+a

using distributive propertie and common denominator will be obtain

x= x= \frac{bc-ad}{b-d}

as we know that ad=bc the numerator will be equal to zero. Then x=0.

2) Using the same equation of line but using the points(m,n) and (-m, -n) we will set it as:

y-n=\frac{-2n}{-2m}.(x-m)

if we want to find the x-intercept of L we should set y=0.

0-n=\frac{-2n}{-2m}.(x-m)

getting x from that equation we will have :

-n=\frac{n}{m}(x-m)

x= -n.\frac{m}{n} + m

them

x = 0

4 0
3 years ago
How to simply 11/20 in fraction form
Ivenika [448]
You can't simplify 11/20. hope that helped
7 0
3 years ago
Why the other quadrants cannot be used for graphing real world situations ?
Lena [83]

the square is the only quadrilateral that has only  all the same sides with the equal lengths and angles

8 0
3 years ago
Read 2 more answers
What is the value of a? <br> 9a - 3(a - 6)= -6
r-ruslan [8.4K]
9a-3(a-6)=-6
9a-3a+18=-6
6a+18=-6
6a=-24
a=-4
5 0
4 years ago
Read 2 more answers
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