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Sonbull [250]
2 years ago
11

30+6⋅7+8 need help asap!!!!

Mathematics
2 answers:
Sladkaya [172]2 years ago
8 0

Answer:

80 :D!

Step-by-step explanation:

30 + (6 x 7) + 8

30 + 42 + 8

72 + 8

= 80

Hope this helps! Brainliest plz?

Rzqust [24]2 years ago
5 0

Answer:

Answer: 80.

Step-by-step explanation:

Do multiplication first.

6 * 7 = 42

42 + 30 = 72

72 + 8 = 80.

hope this helps.

You might be interested in
Which expression is equivalent to(6x + 2) + (3x + 7)​
gavmur [86]

Answer:

9x+9

Step-by-step explanation

Combine like terms (6x and 3x, 2 and 7)

3 0
3 years ago
Read 2 more answers
Plz answer both for 10 points.!!! Thx for the help.
ratelena [41]
Both questions make use of the formula for the area of a triangle:
.. A = (1/2)*b*h

23. A = (1/2)*b*h
.. A = (1/2)*x*7 . . . . substitute the given values
.. A = 3.5x . . . . . . . simplified


24. A = (1/2)*b*h
.. 84.5 = (1/2)*13*h . . . . . substitute the given values

.. 2*84.5/13 = h = 13 . . . .solve for h
The height of the triangle is 13 cm.
4 0
3 years ago
Can i have some help
SVETLANKA909090 [29]

Answer:

b. m = 2, b = 4

Step-by-step explanation:

y = mx + b

m = slope and b = y-intercept

The slope is 2 cause it's going up 2 squares while only going to the right one square each time, so u could right 2/1 but it's not necessary so just 2. And the intercept is 4 because that's where the line intercepts the y-axis.

8 0
3 years ago
A piece of wire 52cm long is cut into two parts , each of the wire is bent to form a square.If the sum of the area of the two sq
Gnom [1K]
Side lengths of the squares are x and y

4x+4y=52
divide both sides by 4 for simlicity
x+y=13


area is 89 so
x²+y²=89

ok

so

x+y=13
minus x both sides
y=13-x
sub that for y in other equation

x²+y²=89
x²+(13-x)²=89
x²+x²-26x+169=89
2x²-26x+169=89
minus 89 both sides
2x²-26x+80=0
undistribute 2
2(x²-13x+40)=0
factor
2(x-8)(x-5)=0
set to zero
x-8=0
x=8
x-5=0
x=5


x=5 or 8

find y

y=13-x
13-8=5
13-5=8


each square has side length of 5 or 8
perimiter is 4 times the area around so
5*4=20
8*4=32

the perimiters are 20cm and 32cm




5 0
3 years ago
From greatest to least 7/10 18/25 5/8
just olya [345]
\frac{7}{10}= 0.7
\frac{18}{25} = 0.72
\frac{5}{8} = 0.625

\frac{8}{25}\ \textgreater \   \frac{7}{10}  \ \textgreater \  \frac{5}{8}
6 0
3 years ago
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