2 years ago

Help?.. I’m confused

Mathematics

1 answer:

Hunter-Best [27]2 years ago

6 0

Answer:

umm I'm sorry i dont know how to do this........

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Choose the expression which is equivalent to the expression below. 3(12 + x) A. 36 + x B. 36 C.39x D. 36 + 3x

Paladinen [302]

Answer:

Step-by-step explanation:

3×12+

3×X

36+3x

Thus the answer is D

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2 years ago

I need help with this question

Montano1993 [528]

152 degrees. You just add the angles across from each other

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2 years ago

Pls help I cant do this

AlladinOne [14]

Answer:

Here you go!

Step-by-step explanation:

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2 years ago

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Laquita had 5 7/9 yards of fabric. She used 3 2/3 to make a blouse.Write and slove an expresstion to find how much fabric has be

enyata [817]

Answer: $\frac{11}{3}\ yards$

Step-by-step explanation:

Given

Laquita has $5 \frac{7}{9}\ yards$ of fabric i.e.

$\Rightarrow \dfrac{5\times9+7}{9}=\dfrac{45+7}{9}=\dfrac{52}{9}\ yards$

She used $3\ \frac{2}{3}$ yards to make a blouse i.e.

$\Rightarrow \dfrac{3\times 3+2}{3}=\dfrac{11}{3}\ yards$

Left fabric

$\Rightarrow \frac{52}{9}-\frac{11}{3}=\frac{52-33}{9}\\\\\Rightarrow \frac{19}{9}\ yards$

8 0

2 years ago

The diagram shows a sketch of a survey done by a civil engineering student .Find the value of x,giving your answer correct to 1

Hatshy [7]

You can do this by drawing one line through parallel to PQS to meet RQ at T

Now calculate length of RT:-

cos 70 = RT / 70 giving RT = 23.94m

sin 70 = ST/70 giving ST = 65.78 m

draw a line from S perpendicular to PQ to meet PQ at U.

PU = 110 - 65.78 = 44.22 m

tan 50 = SU / 44.22 giving SU = 52.70 m

TQ = SU = 52.70 m

So x = TQ + RT = 52.70 + 23.94 = 76.6 m to 1 dec place.

7 0

2 years ago