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4 years ago

Solve -4 x (- 10.5 ) 40.5 14.5 42.4 42

Mathematics

2 answers:

crimeas [40]4 years ago

6 0

42 im sure pretty sure

telo118 [61]4 years ago

4 0

It’s 42 if you need work tell me

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Lori creates the following design for a T-shirt.

kakasveta [241]

Solution-

From the figure,

AE = 2.4

EB = 2.8

BC = 11.7

Area of rectangle 1 = 8.68 sq.in

$\Rightarrow FH \times HI=8.68$

$\Rightarrow EB \times HI=8.68$ (∵ sides of the rectangle 2)

$\Rightarrow 2.8 \times HI=8.68$

$\Rightarrow HI=3.1$

Area of Triangle 1 = 6.48 sq.in

$\Rightarrow \frac{1}{2}\times AE \times EG= 6.48$

$\Rightarrow \frac{1}{2}\times AE \times (EF+FG)= 6.48$

$\Rightarrow \frac{1}{2}\times AE \times (EF+HI)= 6.48$ (∵ sides of the rectangle 1)

$\Rightarrow EF+3.1= 5.4$

$\Rightarrow EF=2.3$

$\Rightarrow BH=2.3$ (∵ sides of the rectangle 2)

$BC = BH+HI+IC$

$\Rightarrow 11.7= 2.3+3.1+IC$

$\Rightarrow IC=6.3$

The area of Rectangle 2,

$=EB\times BH =2.8\times 2.3=6.44\ sq.in$

The area of Triangle 2,

$\frac{1}{2}\times GI \times IC=\frac{1}{2}\times EB \times IC=\frac{1}{2}\times 2.8 \times 6.3=8.82\ sq.in$

The area of the whole figure = Area of Triangle 1 + Area of rectangle 1 + Area of Triangle 2 + Area of rectangle 2

= 6.48+8.68+8.82+6.44=30.42 sq.in

6 0

3 years ago

Which numbers are negative numbers? -3 45 -9 -7 31.5

svetlana [45]

Answer:

-3, -9, -7

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

4 Solve for n. 11(n − 1) + 35 = 3n O n = -6 The answer is n=-3

Drupady [299]

Answer:

$\boxed{n=-3}$

You should be correct.

Step-by-step explanation:

$11(n-1) + 35 = 3n\\\\11n-11+35=3n\\\\11n+24=3n\\\\11n+24-24=3n-24\\\\11n=3n-24\\\\11n-3n=3n-3m-24\\\\8n=-24\\\\\frac{8n=-24}{8}\\\\ \boxed{n=-3}$

Hope this helps.

7 0

3 years ago

BCDE is a parallelogram.

kumpel [21]

The answer is 80, because that is what you get when you subtract 100 from 180 to get the third angle.

3 0

3 years ago

Read 2 more answers

If Shawn can read 60 pages in 3/4 hour. What is the unit rate? And how do I use the unit rate to determine the number of pages S

lidiya [134]

Answer:

80 pages

Step-by-step explanation:

Divide 60 by 3 to get 20 because this is how many pages he can read in 1/4 hour. Then multiply that by 4 to get 80, which is how many pages he can read in a full hour.

4 0

3 years ago